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V8-4.8L

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Speedometer stopped working and gauge lights stopped working after installing a subwoofer and a stereo.
Hi there. Check to see where the ground and positive wires to the subwoofer are attached to. Also check the remote wire, power wire, and the ground wire from the radio to where they are attached to. It is possible...
Question
Where is OnStar module located
Hello. The OnStar module is located in the center console, behind the HVAC controls. The interior will have to be disassembled in order to access the module.
Question
Driver window not rolling up
You have to perform the window initialization procedure when replacing components related to any of the windows. Follow this procedure from BMW. Control procedure for initialization: Press the window 'open' switch beyond the second switching position. The window may open...
Question
breaks
The proportioning valve could be clogged or stuck. If pressure is low, or out of spec, on a brake line you can use external pressure gauges to identify the blocked line. Just start at the master cylinder, confirming pressure there,...
Question
How much offset would I need to fit 16X8 wheels on my 2004 Chevrolet Silverado
Hello. When using a 16X8 wheel on your truck you need to use an offset of 10 mm. This will give you the necessary clearance for the wheel itself. This may not be suitable for the tire that you are...
Question
when i brake on my 2008 550i bmw it sounds like a grinding noise in the rear around the middle. Do you know what it could be?.
Grinding, squealing, or other "noise" on braking is usually related to a brake pad/rotor contact problem. These surfaces "mate" when you apply the brakes and if there is scoring on the rotor, rust, dirt, irregular wear on pad or rotor,...
Question
My rear exterior lights are not working correctly on my 2010 Chevrolet Silverado
Hello. I have seen this quite a few times on this vehicle. If the vehicle is all stock then the issue is usually in the rear junction block for the wiring under the rear of the vehicle, or a problem...
Question
Power steering will not work at all
You will need to have the power steering pump pressure tested to see if the pump can produce pressure at all. If it does not produce pressure then replace the pump and fluid.
Question
Why does the the engine sound loud when you first start it up? Then it quiets, but as you drive you can still hear it on a Echo
Hi there. That is a very interesting situation you have with your BMW. To be honest, I've never seen tire valve stems cause any type of noise; especially under the conditions you're describing. It is possible that you may have...
Question
What is the price to replace Porsche Panamera camshaft adjuster aluminum bolts
Hi there. Unfortunately, this is not a service our mobile mechanics offer. I would highly recommend contacting a local Porsche mechanic to dealer to request a quote for this type of service.
Question
Sunroof stuck open
Hello, thank you for writing in. The first thing you should do is check your owner's manual for more information on how to close the sunroof in cases like this. To repair the issue, we need to look at the...
Question
Tune-up
Hi there. Today's modern cars, trucks and SUV's are much more complex than older vehicles. As such, there really isn't a general "tune-up" service. Instead, manufacturers have created recommended maintenance service, which is unique for each make, model and year....
Question
my car was previously lowered when i bought it about 3 inches..and now my rear tires are wearing.
Lowering a car is a popular modification that when done improperly can lead to all kinds of problems. I strongly recommend putting it back to stock height. Reinstalling the factory springs should do the trick. if your tires are not...
Question
Using E-85 or unleaded regular fuel.
Hello, Many of today’s engines are equipped to run on E85 fuel which is a high ethanol content fuel. The vehicle’s engine control module measures the amount of ethanol in the gasoline and adjusts the air/fuel mixture ratio on the...
Question
The TBC 10amp fuse blows, but when a place a 30amp fuse it doesn't, this circuit supplies pwr to the Body Control Module 2006 Chevrolet Silverado 1500
Hi there - the Body Control Module (BCM) distributes electrical power to the various electrical components on the vehicle, based on things like light switch positions, window and door lock controls, etc. To diagnose a BCM requires a detailed electrical...
Question
Misfiring
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
Question
I think there is a leak and water is dripping? Can you fix water or oil leaks? Thanks.
Hi There, Yes, we can fix coolant and oil leaks. Generally, if you are noticing a water leak, this would be coming from the radiator, water pump or any of the radiator hoses around the motor that may be going...
Question
Back wheels do not freely spin when vehicle is jacked.
Hi there. There are two possible source of this issue; either the parking brake is stuck; causing the brakes to engage at all times, or the wheel bearings are damaged. A professional mobile mechanic can complete a rear wheel inspection...
Question
odometer
Hello, thank you for writing in. The trip reset button is located at the next to the readout. It is hard to see because they are black on black and hidden out of the way. Some models utilize the set...
Question
Valve guide seals 2006 BMW 750i
Hello - unfortunately, this is not a service YourMechanic.com can offer at this time. Thanks for thinking of us though!

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