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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
I need a thermostat replaced do I need to replace the water pump as well
Typically, the scenario is the reverse: that is the water pump fails and the question is should the thermostat be replaced at the same time that the water pump is replaced. The answer is absolutely because the thermostat itself can...
Question
I'm trying to wrap info up for a twin turbo on my hummer H2 Sut and the cost I need help with the price.its a 2005 Sut
Hi there. This would be considered an aftermarket upgrade, which unfortunately is not a service our mobile mechanics can offer at this time. We continually add new service offerings frequently, but at this time we would be unable to offer...
Question
Thinking about motor swap
The main problem in such a swap is the engine computers for the two engines you are referring to are not interchangeable. And, you cannot flash re-program your existing computer to work with the new engine because the two use...
Question
I have hummer h3 that needs a raditor i have the raditor need to know your labor fee and do have to buy antifreeze and.i have spar
To obtain the requested quote, please visit YourMechanic’s radiator replacement service page. Once on that page, click on "Get a Quote" and enter your vehicle information (year, make, model). You are welcome to buy your own parts and book a...
Question
Crankshaft replacement fit? 2006 Hummer H3
Hello - the crankshaft on the 3.7l LLR engine does in fact have the same stroke as the L52 3.5l engine in your H3, so there is a good chance it is compatible. Check with your Hummer parts specialist for...
Question
I parked my truck for 5-10 mins. Tried to turn it on, now it wont start, called a tow tow truck 15-20mins later my truck turned on
It is very likely that you have a powertrain control module failure. This can happen often on many GM vehicles. I would recommend having the powertrain control module tested and replaced as necessary in order to resolve this issue. After...
Question
I have a code P0171 and needs repairs.
Hi there. The code P0171 is caused by the engine getting too hot and not having enough fuel to burn. Check the fuel injectors, fuel pressure, and the fuel pump to see if they are working properly. Since the vehicle...
Question
Climate control module. Heater core
Faults in electronic or mechanical control components in the HVAC system have no effect on the heater core in the passenger cabin. The heater core itself is not a component that would looked at as a cause of engine overheating....
Question
I have a 2003 Hummer H2 with 63,000 original miles.
Fuel supply faults are a possible cause of stalling as are vacuum leaks and faults with engine sensors. On the Hummer it has been reported that faults with the throttle body commonly cause stalling and consequently that might be a...
Question
Rejects the nozzle when filling gas
Hello, It sounds like you may have an issue with your evaporative emissions control system. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel vapors...
Question
what would the cost be if we supply the radiator
Besides the 4.0 hours labor at your local charge per hour rate you will need to also supply the coolant for the engine and also the refrigerant to recharge the air conditioner after repairs are done. The A/C needs to...
Question
How many hours total can I expect for H3 5.3v8 radiator replacement?
Hi there. It really depends on where the job is being completed and the mechanics experience, availability to parts and quality tools to complete this task. Typically a radiator replacement includes replacing the radiator, all sensors, cooling hoses and in...
Question
Engine whining
The typical cause of a whining sound during engine idle; which progressively gets louder during increase in RPM is a belt, pulley or faulty pump (either AC, water pump or power steering). If you didn't remove the AC belt, this...
Question
Is a 2007 Hummer H3 a reliable vehicle?
For the 2007 model year, GM replaced the problematic 3.5L engine with the 3.7L. This engine is pretty decent. The transmission is a 4-L60E, which is well known for having all kinds of issues. The GM 10-bolt rear end is...
Question
My car lights just came on and there saying "stab syste, traction failed, reduced power? What does that mean?
Hi There, This relates to your traction control system. When the computer detects a problem with this system, it may put the vehicle into a reduced power mode as you have experienced in an effort to prevent additional damage and...
Question
What is the best oil to use?
Hi there. If your engine is consuming too much oil, then I would consider checking the (PCV) Positive Crankcase Vent Valve and see if its plugged up. A PCV valve can plug up causing the engine crankcase to over pressurize...
Question
Ball Joints / Suspension parts may be damaged.
The best thing to do is put the vehicle on jack stands and remove the tires to the suspension that is to be damaged. Then check the ball joints, control arm bushings, and the control arms and see if there...
Question
Slow transmission fluid leak which the mechanic I went to says was caused by a faulty seal even though it was replaced last week.
Hi there. The problem with trying to diagnose this transmission fluid leak issue you have with the Hummer is that it's quite possible that the leak could be caused by multiple issues. Certainly a loose transmission fluid tube or damaged...
Question
Hello there, I was wondering if I would need to add a manual transmission if I add a twin turbo to my automatic car.
I recommend keeping your transmission in your vehicle that it is designed for. If you plan on putting in a Twin Turbo setup, then the transmission will hold up to the changes. Automatic transmissions are designed to take more abuse...
Question
Engine coolant disappearing
If the engine has a coolant leak that is not external to the engine or cooling system would not have anything to do with the transmission repairs. You need to have the engine head gaskets and intake manifold checked for...

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