If your 2007 Hummer H3 ’s transmission is slipping and there are no leaks, the solenoid is the next item that you should check. Clutch Problems The clutch is located within the torque converter and can occasionally become jammed.Dec 19, 2022 · 2007 Hummer H3 Transmission Problems and Repair . 2007 Hummer H3 Transmission Problems. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2007 Hummer H3 problems occur, check out our car reliability stats. 2007 Hummer H3 – Top Speed. Engine and Transmission. The transmission in your 2006 Hummer H3 is the part of the 2006 Hummer H3 that directs the power from your engine to the driveshaft which in turn helps to turn the wheels on your 2006 Hummer H3 . Following good preventive maintenance procedures for your transmission will always help your transmission perform better, last longer and require ...The P0700 code in your Hummer H3 is a generic OBD-II code that indicates a malfunction within the transmission control system. This code is not specific to any particular issue but rather points to a general fault in the system. Additionally, the P0700 code usually appears in conjunction with other transmission-related codes or shift solenoid ...So you get a transmission that’s designed to outlast the original, and a warranty that covers you anywhere in the U.S.A. Hummer H3 transmission problems = Solved. To learn more, give us a call at 1-866-812-7560. Or you can click here to check on the price and availability of a remanufactured Hummer H3 transmission.Jul 29, 2020 · Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your H3 will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires. If it is an older model, it’ll have a distributor and coil instead of coil packs. 2007 H3 WONT GO IN REVERSE. Asked by HAASTYLE Jul 29, 2016 at 01:34 PM about the 2007 Hummer H3. Question type: Maintenance & Repair. PUT THE H3 IN REVERSE. PRESS THE GAS MOVES ABOUT 6-8' THEN ITS. LIKE IT IS NEUTRAL NO MOVEMENT.2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. Hummer H3 in Virginia, United States. Jun 2014 - Nov 2014. Sep 2014. 50000 mi. US $850. Due to a poorly designed sunroof draining sust leaks caused sensors to get wet and tripped the warning lights to ping ABS and stability system errors. Recall List for the 2007 Hummer H3. Official recalls have been issued for the 2007 Hummer H3 by the NHTSA. The complete details of all recalls are listed below, along with what they cover and the ...2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow.Aug 18, 2008 - It is in the engine bay on the driver front side of the motor. Look at the battery and just below it is the ECM/TCM on a bracket right beside ... [SOLVED] - Transmission Shifting Issues. Mar 26, 2011. Additional "TCM" Transmission Control Module. Dec 23, 2014. A "how to" for removing the ECM/ TCM. Apr 9, 2006.Hummer H3; Oldsmobile Bravada; Pontiac Firebird – 1994-2002; Pontiac GTO – 2004; Saab 9-7X – 2005-2009; Isuzu Ascender – 2007; What Transmission Do I Have. If you’re still not sure what transmission your car has, look for the VIN number – the Vehicle Identification Number.David answered about a year ago. There is a pipe running off the oil pump (oil pickup tube/pipe) that has a screen/ mesh in its end , this can become clogged with debris, especially from small bits of timing chain guides being warn from timing chain , this will cause low flow of oil causing oil light to come on. Mark helpful. Jul 1, 2012 · The 2007 Hummer H3 has 7 problems reported for leaking radiator. Average repair cost is $580 at 80,200 miles. ... H3. Automatic transmission; 92,000 miles; A D V E R T I S E M E N T S. Mar 31, 2018 · PLEASE SUBSCRIBE! Free and easy for H3, Chevy Colorado, GMC Canyon owners with this common no-start issue, check this out! A possible work-around to this d... Transmission in NEUTRAL/Air Conditioner is OFF ECT Sensor Engine Data 1, Engine Data 2, Engine Data 3 °C/°F Varies IMPORTANT: Review the system operation in order to familiarize yourself with the system functions. Refer to Cooling System Description and Operation . 2007 Hummer H3 2007 ENGINE Engine Cooling - H3 MY Dec 4, 2019 · Bad Torque Converter Symptoms: Hummer H3. Here are some of the most common bad torque converter symptoms that could happen to your H3. 1. Slipping Transmission (Low Speed) The torque converter “stall speed” is the speed that the engine needs to be turning before the torque converter will begin engaging the transmission. 2007 Hummer H3 Transmission Problems Find something helpful? Spread the word. Click on a problem below to read more. Transmission Failure 5 Transmission Cooler Busted In Radiator 1 NHTSA:... Feb 16, 2016 · hey buddies ! my H3 2007, I have the following problem 5 months ago: in morning or after a long time stopping (more than 7 to 8 hours), it so, when I start the engine, it is stopped with the message on dash: service stab system, tracation failed, reduced power. so, I try starting engine after less than a minute, with pressing on the race roughly. stopping again, and trying again, all this for ... 2007 Hummer H3 Transmission Problems and Repair . 2007 Hummer H3 Transmission Problems. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2007 Hummer H3 problems occur, check out our car reliability stats. 2007 Hummer H3 – Top Speed. Engine and Transmission.Dec 11, 2020 · Usually the starter is mounted on the engine side of where the engine and transmission mount. If this is the case then you do not need to remove it. It will stay on the engine. Here is a video that shows how to remove a transmission in case you need this: Also, I attached the entire process from the manual for this vehicle in case you need that ... SOURCE: 2006 H3 Hummer fan problem Hi if your internal fan not work in any position well i fixed up myself easy and save your money. locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector ...The P0700 code in your Hummer H3 is a generic OBD-II code that indicates a malfunction within the transmission control system. This code is not specific to any particular issue but rather points to a general fault in the system. Additionally, the P0700 code usually appears in conjunction with other transmission-related codes or shift solenoid ...3 model years affected. 2006, 2007, 2008. Average mileage: 93,430. (33,456–224,450) Check Engine Light Diagnosis & Testing : $88 -$111. The average cost for a Hummer H3 Check Engine Light Diagnosis & Testing is between $88 -$111.If your 2007 Hummer H3 ’s transmission is slipping and there are no leaks, the solenoid is the next item that you should check. Clutch Problems The clutch is located within the torque converter and can occasionally become jammed.1. Blue Smoke. The most obvious and a telltale sign that your H3 is burning oil is blue smoke. Blue smoke indicates that oil has made its way to the combustion chamber. It is then burned with the gasoline and tints the exhaust blue. Your exhaust will look more like a two stroke engine if it’s bad enough. Here’s more on blue exhaust smoke.Feb 7, 2022 · Hummer H3: I am working on a 2007 Hummer H3, 5 spd trans, I am working on a 2007 Hummer H3, 5 spd trans, 3.7 L engine. I just replaced the engine and put in a new clutch while the engine was removed. If your 2007 Hummer H3 ’s transmission is slipping and there are no leaks, the solenoid is the next item that you should check. Clutch Problems The clutch is located within the torque converter and can occasionally become jammed. Nov 21, 2017 · 2007 Hummer H3 intermittent starting problem. Recently had alternator replaced. 2 weeks of H3 running fine. Attempt to start, H3 would crank but not turn over. 10 mins later H3 started. Took it to a mechanic who said the "failure could not be reproduced. Same thing has happened 1 to 2 times per week since then for the past 4 weeks. 2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3 SPECIFICATIONS FASTENER TIGHTENING SPECIFICATIONS Fastener Tightening Specifications SEALERS, ADHESIVES AND LUBRICANTS 2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow. 2007 Hummer H3 problems (8) View all. 2008 Hummer H3 problems (8) View all. 2009 Hummer H3 problems (7) View all. 2010 Hummer H3 problems (5) View all. Get back on ... Jun 18, 2021 · Hummer H3 2006 to 2010 common problems, issues, recalls, defects and complaints.About Us : http://www.howstuffinmycarworks.com http://ww... PLEASE SUBSCRIBE! Free and easy for H3, Chevy Colorado, GMC Canyon owners with this common no-start issue, check this out! A possible work-around to this d...Oil sign on at idle, stop, parked. Hummer H3X oil signal comes on at just about form of the car not moving forward. I notice that this happens only in the summer time, and the car has been driven for at least 45 minutes. If it's cold there is no oil signal. I changed the thermostat,oil sensor switch, and I have done a full oil and filter change ...Hummer H3; Oldsmobile Bravada; Pontiac Firebird – 1994-2002; Pontiac GTO – 2004; Saab 9-7X – 2005-2009; Isuzu Ascender – 2007; What Transmission Do I Have. If you’re still not sure what transmission your car has, look for the VIN number – the Vehicle Identification Number. Mar 31, 2018 · PLEASE SUBSCRIBE! Free and easy for H3, Chevy Colorado, GMC Canyon owners with this common no-start issue, check this out! A possible work-around to this d... Rack and Pinion. May lessen or go away as your H3 warms up. Bad Power Steering Fluid. May appear dark or black. Noise free. Low tire pressure. Tire pressure light may be on. Check the pressure. Here are six of the most common reasons why your H3’s steering wheel may be hard to turn .2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3 SPECIFICATIONS FASTENER TIGHTENING SPECIFICATIONS Fastener Tightening Specifications SEALERS, ADHESIVES AND LUBRICANTS Hummer H3; Oldsmobile Bravada; Pontiac Firebird – 1994-2002; Pontiac GTO – 2004; Saab 9-7X – 2005-2009; Isuzu Ascender – 2007; What Transmission Do I Have. If you’re still not sure what transmission your car has, look for the VIN number – the Vehicle Identification Number. The most common issue is with the transmission that may be because of mechanical issues, general wear, and tear, due to fault in the system, or by any accident. Let us discuss the hummer h3 transmission issues. Hummer H3 Shifting Problems source: https://www.aamcoleessummit.com/ Hummer H3 is a standard model of the hummer series.Sep 4, 2019 · Of all the Hummers produced, the Hummer H3 is one of the most beloved and the most hated. In fact, the 2006 H3 was so problematic for many owners, and most of the problems were from factory defects. Here are some major issues with the H3: 1) Engine Runs Rough. The biggest issue with this vehicle seems to be its rough running engine. The 2007 Hummer H3 has 372 problems & defects reported by H3 owners. The worst complaints are engine, cooling system, and transmission problems. ... Transmission Failure 2007 H3 Average Cost to ...1. Blue Smoke. The most obvious and a telltale sign that your H3 is burning oil is blue smoke. Blue smoke indicates that oil has made its way to the combustion chamber. It is then burned with the gasoline and tints the exhaust blue. Your exhaust will look more like a two stroke engine if it’s bad enough. Here’s more on blue exhaust smoke.2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ... 114,000 miles. The contact owns a 2007 Hummer H3. While making a right turn at 35 mph the steering wheel became difficult to maneuver without warning. The contact pulled over and discovered that ...Jan 19, 2015 · 723. Location. Louisiana. Jan 23, 2015. #10. If there is a broken front drive line component and with the vehicle in 4hi normal, and the trans in a forward speed, the output shaft of the transmission will turn sending motion to the corner with the broken component but no vehicle motion. The Hummer H2 has decent reliability, With J.D. Power giving the 2009 model a score of 3 out of 5. The Hummer H2 has been known to develop problems like mode door actuator failure, gas cap issues, low oil pressure, and engine stalling, among other things.Aug 15, 2023 · The Hummer H2 has decent reliability, With J.D. Power giving the 2009 model a score of 3 out of 5. The Hummer H2 has been known to develop problems like mode door actuator failure, gas cap issues, low oil pressure, and engine stalling, among other things. David answered about a year ago. There is a pipe running off the oil pump (oil pickup tube/pipe) that has a screen/ mesh in its end , this can become clogged with debris, especially from small bits of timing chain guides being warn from timing chain , this will cause low flow of oil causing oil light to come on. Mark helpful. 2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow. Hummer H3 Stalling Problem Causes. Here are some of the issues that cause the H3 to stall out. Remember, a vehicle needs air, fuel, and spark to run. It needs them in the right quantities and intervals, or it won’t run right. Fuel. Fuel issues are one of the most common reasons that a vehicle would stall out, that includes your Hummer H3.Recall List for the 2007 Hummer H3. Official recalls have been issued for the 2007 Hummer H3 by the NHTSA. The complete details of all recalls are listed below, along with what they cover and the ...2 C175 Engine Harness to Transmission Internal Harness 3 Heated Oxygen Sensor (HO2S) 2 4 Transfer Case Encoder Motor Connector 5 Vehicle Speed Sensor (VSS) Connector 6 Park/Neutral Position (PNP) Switch 2007 Hummer H3 2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3 MY 2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ... Feb 16, 2016 · hey buddies ! my H3 2007, I have the following problem 5 months ago: in morning or after a long time stopping (more than 7 to 8 hours), it so, when I start the engine, it is stopped with the message on dash: service stab system, tracation failed, reduced power. so, I try starting engine after less than a minute, with pressing on the race roughly. stopping again, and trying again, all this for ... How reliable is the 2007 HUMMER H3? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. ... 2007 H3 Common Problems Q&A. Common ...2007 Hummer H3 Transmission Torque Converter. 2007 Hummer H3 Transmission Mount. 2007 Hummer H3 Transmission Cable Shift (A/T) 2007 Hummer H3 Transmission Pan Gasket - (A/T) 2007 Hummer H3 Auto Trans Oil Cooler Line Fitting. 2007 Hummer H3 Automatic Transmission Rebuild Kit. 2007 Hummer H3 Transmission Oil Cooler Hose. The 2007 Hummer H3 has 44 NHTSA complaints for the engine at 84,823 miles average. ... GM service manager mention a spring problem on 2006 2007 rendevous. ... Had to re-build the transmission ...Jul 29, 2016 · 2007 H3 WONT GO IN REVERSE. Asked by HAASTYLE Jul 29, 2016 at 01:34 PM about the 2007 Hummer H3. Question type: Maintenance & Repair. PUT THE H3 IN REVERSE. PRESS THE GAS MOVES ABOUT 6-8' THEN ITS. LIKE IT IS NEUTRAL NO MOVEMENT. 2007 Hummer H3 Transmission Torque Converter. 2007 Hummer H3 Transmission Mount. 2007 Hummer H3 Transmission Cable Shift (A/T) 2007 Hummer H3 Transmission Pan Gasket - (A/T) 2007 Hummer H3 Auto Trans Oil Cooler Line Fitting. 2007 Hummer H3 Automatic Transmission Rebuild Kit. 2007 Hummer H3 Transmission Oil Cooler Hose.Feb 13, 2012 · SOURCE: 2006 H3 Hummer fan problem Hi if your internal fan not work in any position well i fixed up myself easy and save your money. locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector ... The 2007 Hummer H3 has 372 problems & defects reported by H3 owners. The worst complaints are engine, cooling system, and transmission problems. Nov 25, 2019 · 1. Blue Smoke. The most obvious and a telltale sign that your H3 is burning oil is blue smoke. Blue smoke indicates that oil has made its way to the combustion chamber. It is then burned with the gasoline and tints the exhaust blue. Your exhaust will look more like a two stroke engine if it’s bad enough. Here’s more on blue exhaust smoke. 2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow. 2007 Hummer H3 Flush brake fluid every 60,000 miles. Brake fluid can become dirty and may cause problems in the brake system ; it should be flushed every 60,000 miles. 2007 Hummer H3 Flush cooling system every 60,000 miles. GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become ... Sep 29, 2019 · P0700 is a common code if it’s an electrical issue related to the transmission. If something has gone wrong in the transmission, your H3 may not be able to accelerate anymore, or it’ll. If it can no longer shift, it could be caused by a solenoid/valve body that has gone bad, clutch packs, debris, and much more. Problem with your Hummer H3? Our list of 9 known complaints reported by owners can help you fix your Hummer H3. ... 2007 Hummer H3 problems (8) View all. 2008 Hummer ...Hummer H3 2006 to 2010 common problems, issues, recalls, defects and complaints.About Us : http://www.howstuffinmycarworks.com http://ww...2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow. 2007 Hummer H3 problems (8) View all. 2008 Hummer H3 problems (8) View all. 2009 Hummer H3 problems (7) View all. 2010 Hummer H3 problems (5) View all. Get back on ... Problem with your 2007 Hummer H3? Our list of 8 known complaints reported by owners can help you fix your 2007 Hummer H3. May 29, 2020 · A bad fuel pump, ignition problems, clogged fuel filter, bad mass airflow sensor, and bad crank/camshaft sensors are just a few of the problems that can cause an engine to not start. 5. Poor Shifts. The transmission may have a hard time shifting, or not even be able to shift at all. Conclusion: Hummer H3 Bad PCM Symptoms 124 Location Spain May 25, 2015 #1 Well, I have a 2006 Hummer H3 Luxury Automatic with 70000 miles on it. I started to notice that the shifting in 1-2 and 2-3 is a bit slow..like there is first a disengage of the previous gear and then the upshift occurs, the 1-2 is harsh and the 2-3 is not harsh.2007 Hummer H3 Transmission Torque Converter. 2007 Hummer H3 Transmission Mount. 2007 Hummer H3 Transmission Cable Shift (A/T) 2007 Hummer H3 Transmission Pan Gasket - (A/T) 2007 Hummer H3 Auto Trans Oil Cooler Line Fitting. 2007 Hummer H3 Automatic Transmission Rebuild Kit. 2007 Hummer H3 Transmission Oil Cooler Hose.How reliable is the 2007 HUMMER H3? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. ... 2007 H3 Common Problems Q&A. Common ...Mileage: 185,975 miles MPG: 14 city / 18 hwy Color: Black Body Style: SUV Engine: 5 Cyl 3.7 L Transmission: Automatic. Description: Used 2007 Hummer H3 with 4WD, Bucket Seats, Skid Plate, Suspension Package, Luggage Rack, 1SC Package, Keyless Entry, 1SD Package, Fog Lights, 16 Inch Wheels, and Full Size Spare Tire. May 29, 2020 · A bad fuel pump, ignition problems, clogged fuel filter, bad mass airflow sensor, and bad crank/camshaft sensors are just a few of the problems that can cause an engine to not start. 5. Poor Shifts. The transmission may have a hard time shifting, or not even be able to shift at all. Conclusion: Hummer H3 Bad PCM Symptoms If your 2007 Hummer H3 ’s transmission is slipping and there are no leaks, the solenoid is the next item that you should check. Clutch Problems The clutch is located within the torque converter and can occasionally become jammed.Dec 4, 2019 · Bad Torque Converter Symptoms: Hummer H3. Here are some of the most common bad torque converter symptoms that could happen to your H3. 1. Slipping Transmission (Low Speed) The torque converter “stall speed” is the speed that the engine needs to be turning before the torque converter will begin engaging the transmission.
Dec 20, 2018 · When there is a large leak in the Hummer H3’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your H3 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ... . Kimmel
Hummer H3: I am working on a 2007 Hummer H3, 5 spd trans, I am working on a 2007 Hummer H3, 5 spd trans, 3.7 L engine. I just replaced the engine and put in a new clutch while the engine was removed.Dec 2, 2021 · The most common issue is with the transmission that may be because of mechanical issues, general wear, and tear, due to fault in the system, or by any accident. Let us discuss the hummer h3 transmission issues. Hummer H3 Shifting Problems source: https://www.aamcoleessummit.com/ Hummer H3 is a standard model of the hummer series. 2007 Hummer H3 4dr SUV. Leaking out of the output transfer case seal, and clutch slip. Replace left FRT axle. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days ... 124 Location Spain May 25, 2015 #1 Well, I have a 2006 Hummer H3 Luxury Automatic with 70000 miles on it. I started to notice that the shifting in 1-2 and 2-3 is a bit slow..like there is first a disengage of the previous gear and then the upshift occurs, the 1-2 is harsh and the 2-3 is not harsh.Mileage: 185,975 miles MPG: 14 city / 18 hwy Color: Black Body Style: SUV Engine: 5 Cyl 3.7 L Transmission: Automatic. Description: Used 2007 Hummer H3 with 4WD, Bucket Seats, Skid Plate, Suspension Package, Luggage Rack, 1SC Package, Keyless Entry, 1SD Package, Fog Lights, 16 Inch Wheels, and Full Size Spare Tire.Problem with your Hummer H3? Our list of 9 known complaints reported by owners can help you fix your Hummer H3. ... 2007 Hummer H3 problems (8) View all. 2008 Hummer ...David answered about a year ago. There is a pipe running off the oil pump (oil pickup tube/pipe) that has a screen/ mesh in its end , this can become clogged with debris, especially from small bits of timing chain guides being warn from timing chain , this will cause low flow of oil causing oil light to come on. Mark helpful. Jul 11, 2023 · Remove the cap and place a funnel into the opening. Refill the container with the recommended amount of transmission fluid. Return the transmission fluid container’s cap. Turn on the Hummer’s engine and allow it to idle. Attempt to change the Hummer’s gear by shifting the shifter lever to check if the problem persists. David answered about a year ago. There is a pipe running off the oil pump (oil pickup tube/pipe) that has a screen/ mesh in its end , this can become clogged with debris, especially from small bits of timing chain guides being warn from timing chain , this will cause low flow of oil causing oil light to come on. Mark helpful.Problem with your 2007 Hummer H3? Our list of 8 known complaints reported by owners can help you fix your 2007 Hummer H3. When there is a large leak in the Hummer H3’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your H3 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ...A bad fuel pump, ignition problems, clogged fuel filter, bad mass airflow sensor, and bad crank/camshaft sensors are just a few of the problems that can cause an engine to not start. 5. Poor Shifts. The transmission may have a hard time shifting, or not even be able to shift at all. Conclusion: Hummer H3 Bad PCM Symptoms5 complaints Most Common Solutions: transmission rebuilt (2 reports) changed radiator and transmission cooling system (1 reports) not sure (1 reports) replaced valve body (1 reports)... 2 C175 Engine Harness to Transmission Internal Harness 3 Heated Oxygen Sensor (HO2S) 2 4 Transfer Case Encoder Motor Connector 5 Vehicle Speed Sensor (VSS) Connector 6 Park/Neutral Position (PNP) Switch 2007 Hummer H3 2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3 MYWhen there is a large leak in the Hummer H3’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your H3 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ...Feb 13, 2012 · SOURCE: 2006 H3 Hummer fan problem Hi if your internal fan not work in any position well i fixed up myself easy and save your money. locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector ... 2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. Hummer H3 in Virginia, United States. Jun 2014 - Nov 2014. Sep 2014. 50000 mi. US $850. Due to a poorly designed sunroof draining sust leaks caused sensors to get wet and tripped the warning lights to ping ABS and stability system errors. 2007 Hummer H3 Transmission Torque Converter. 2007 Hummer H3 Transmission Mount. 2007 Hummer H3 Transmission Cable Shift (A/T) 2007 Hummer H3 Transmission Pan Gasket - (A/T) 2007 Hummer H3 Auto Trans Oil Cooler Line Fitting. 2007 Hummer H3 Automatic Transmission Rebuild Kit. 2007 Hummer H3 Transmission Oil Cooler Hose..