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Hummer

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Understanding the Hummer Oil Life Monitor Service Indicator Lights
Car symbols, or dashboard lights, are a car service reminder. The Hummer Oil Life Monitor (OLM) system indicates when and what service your car needs.
Hummer Certified Pre-Owned (CPO) Car Program
If you are in the market for a used Hummer vehicle, you may want to check out cars under their certified pre-owned program. Many manufacturers have a certified pre-owned (CPO) program, and each...
How to Get Hummer Dealership Certified
Hummer car dealerships offer automotive technician jobs to mechanics who are Hummer certified through the Universal Technical Institute.

Related questions

Question
Sludge in engine, constantly low on oil
If you are losing that much oil, and there are no external leaks (leaks that are visible outside), your vehicle may be consuming the oil. Unfortunately this can be harder to diagnose than an external leak. The valve guides and...
Question
How much is it to replace the rear main seal on a 2007 Hummer H3
Hello. It is common for the rear main seal to leak on this engine. Over time the seal fails and this occurs. You will need to take this to a shop that can remove the transmission to change the seal...
Question
Don't know if the transmission went out.
A large transmission leak like one from a cooler pipe or a leaking transmission pan can cause the transmission to slip if the level gets low enough. Trying to drive the vehicle while the transmission is slipping does not help,...
Question
Engine sludge?
If you have excessive sludge in the engine, then the oil that you pour into the engine may not be able to drain down into the oil pan. You should change the oil and filter using 6 quarts of 0w30...
Question
What would cause an engine oil pan gasket to go out at 120,000 miles on a 2008 H2 Hummer?
Hi. The best way to explain why an oil pan gasket would start leaking is due to heat from running the engine which causes expansion and the engine cooling when not running which equals shrinkage. Over time, things just wear...
Question
Bus not starting
Hey there. This may be caused by a few different things which all seem to indicate you have a fuel supply problem. This may be caused by low fuel pressure, dirty or faulty fuel injectors, low voltage to the fuel...
Question
Im looking at a 2007 hummer H3 for 28K (AUD). I have a tight budget. Should I buy this or not? Are the service, repair costs and maintenance expensive?
Hi there. When it comes to buying a vehicle, the first thing would be to research the vehicle and see what other people have had replaced. Check for simple pricing with local shops to determine if you could afford the...
Question
No oil on the dipstick
My first recommendation is to NOT START this engine until there is sufficient oil showing on the dipstick. Even if there was excessive sludge in the area of the valve covers, after an hour or two, most of the oil...
Question
Where do i fill up the radiator on a H2 Hummer 2006
Coolant on your vehicle should be added to the reservoir that is located on the passenger side of the engine compartment. It will have a cap on top, that can be removed when the engine is cool, and allow for...
Question
Changed oil pump, still no pressure
Hello. At this point, it would be wise to hook up a mechanical gauge at the oil switch port and see if you are truly experiencing a low oil pressure issue or if there is something else going on. ...
Question
My car is overheating when the air conditioning is on - 2007 Hummer H3
Hello. Running the A/C will put extra strain on the engine and cause it to heat up quicker. If your vehicle is overheating, you should keep it below 280 degrees at all cost. This is the temperature when extreme irreversible...
Question
My Hummer shows code P0300 after getting gas
You may have got contaminated fuel from the gas station. The code P0300 indicates you are getting a random engine misfire. This random misfire does not point to any one cylinder misfire and indicates that the fuel may be contaminated...
Question
door lock problem
Hi there: Based on your question and the information listed, it's possible that you've got an exposed wire somewhere in your vehicle that is causing a short with your door locking mechanism. Sometimes this issue is caused by a faulty...
Question
Mi compressor de aire no enciende
Hola. El precio que usted busca cambiaria dependiendo si el compressor que ocupa servicio is el de la suspension, o de el system de aire condicionado. El compressor de la suspension es el que infla los a los amortiguadores, mientras...
Question
I just want to know the location for fuel rail pressure sensor for hummer h2 model 2008
Hi and thanks for contacting YourMechanic. Look on the fuel rail to your engine and you will see two lines that will meet to the rail on one side. Right just before the two lines, you will see a sensor...
Question
door lock problem
Hello. There is a computer that controls the door locks and the warning light that you see. It is known as the Body Control Module. Something has likely gone wrong with this module, which may or may not be repairable....
Question
Hello 2006 model Hummer car's fuel consumption too high
Hello: In most cases, the OBD-II error code you wrote down in your question is related to a faulty crankshaft position sensor. When this component is damaged, it can impact the ignition timing of the engine, causing increased fuel consumption,...
Question
The vehicle keeps turning off while driving. Hummer H3
Hello - the first task is to determine what problem codes are being set here. This will guide diagnosis, and tell whether it's a fuel supply issue (fuse, fuel pump relay, or fuel pump itself), or possibly an electrical sensor...
Question
My high beam light does not work on left side. I don't think it is the bulb.
Hi there. There could be an issue with the high beam switch. Check to make sure that the wires are connected correctly to the high beam switch. Also, check the bulb in the high beam on the left side. See...
Question
What about a 2003 H2 Hummer?
In most cases, this wire will be fore the wheel speed sensors if the vehicle has an anti-lock braking system or traction control system. The best thing to do would be to hire an experienced technician like one from YourMechanic...

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