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V8-4.8L

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Question
Clunking noise when coming to a sudden stop
Your transmission has relatively low miles and if used in normal service would not be the first suspect. There are a variety of suspension, as well as brake, drivetrain, and motor mount components, that could account for the noise. As...
Question
Rear shock creaks when turning steering wheel.
If the shock has worn out bushings or the U bracket was overtightened it may be hitting metal to metal and U bracket is rubbing metal of shock. Check bracket and shock bushings.
Question
I’ve got a 2007 Chevy 1500 classic 4x4 4.8l V8. While driving down the road the check engine oil level message displayed on the da
For some models, the low oil level sensor will interrupt the fuel pump if the level sensor detects a low oil level. Of course, in your circumstance if the level on the dipstick is correct the level sensor and/or the...
Question
Creaking and twisting of shock when turning steering wheel
It is possible that the quality of the rubber in the bushings for the shocks could not be as good as what the original shocks had. When bushings rub against the both that secures them to the vehicle this can...
Question
Tried to charge a battery alarm goes off
This is a problem in the garage a lot. You connect a battery and the alarm sets, then the car goes into lockdown and you can't start it. Sometimes it takes some experimenting. I would start by charging the battery...
Question
new rotors, calipers, master cyl , hoses and pads. brakes still engage on their own while driving
You will need to lift truck to see of any of the wheels brakes are locking up? If you find the front brakes are locking up then crack loose one line at a time at the master cylinder to see...
Question
RPM’s fluctuate while idle
Hi Tyler. Thanks for sending in your question tonight. Assuming your AC is turned off, this type of problem can occur due to a few different issues. The most common reason is that the idle control valve is sticking or...
Question
anti-theft
Hi Dennis. Thanks for contacting us today. In most cases, when an inconsistent security code issue like this pops up, it's due to a fault with the anti-theft software in the ECU. Typically a GM dealership can scan the ECU...
Question
Check engine light
If the check engine light has come on, the stored codes may be related to the hesitation issue. If the light was flashing when it came on, that would signify misfiring, a particularly serious issue. You can request a check...
Question
Won't shift from first into second gear if I'm in D but it works if I put the gear selector in 2 position
You have the 4L60-E transmission. There are some common causes of failure to shift out of first on this transmission, such as a failed vehicle speed sensor, however, the fact that you cannot physically engage "low" (1st gear) suggests either...
Question
2006 BMW 750LI no start code po335 I need pin point test and diagram please .thank you
To test the crankshaft position sensor (Sensor Circuit "A" in your case, if the code is P0335) the fault memory of the DME control unit is read and then the test schedules contained in the BMW diagnostic tool are followed....
Question
Hi. I have a 2011 chevy Silverado 1500 4.8. I clean the throttle body install without removing it or disconnecting anything. Now w
Hi Cesar. It depends on what you used to clean the throttle body. If you used seafoam or other products like that, it's likely that some "gunk" is stuck in the throttle body. However, it more likely that a vacuum...
Question
Will diagnostic fee go towards repairs?
Some customers have obtained a diagnostic of their vehicle's problem already - whether through their own efforts and expertise or from another professional - and thus will just request a specific repair directly. Of course, no vehicle can be repaired...
Question
Q: Battery
Hi Maurice, Thank you for contacting YourMechanic. In regards of your question about battery programming, unfortunately we currently do not provide this service. We are very sorry for the inconvenience. Questions? Check out our FAQ page, call us at 1-800-701-6230...
Question
03 Silverado no crank no start with new starter, new battery, strange weak electrical noise coming from dash when trying to start
What you are describing is obviously an electrical fault and thus will require a circuit trace, of at least the starting circuit, to resolve. Typically, this requires the factory wiring diagram from the service manual. If you want the required...
Question
99 sliverado no crank starter and battery checked out good. truck died while i was driving hasn't started sense.
Hi there. Thanks for sending your question to us today. When you have the single clicking sound when turning the ignition, it is typically due to a damaged electrical relay. If your battery tested good (meaning it had enough cranking...
Question
Check engine light came on and oil gauge at 0. But digital dash reading shows 58% life remaining. Oil level is good. Bad sensor?
Hi Megan. Thanks for contacting us today. If the check engine light has come on, this could indicate an oil pump failure, or oil sensor issue. In order to correctly diagnose the root issue, an on-site inspection would be required....
Question
2000 GMC Sierra 1500 4x4 Need fluid recomendations
Here is the (recommended fluid chart)[ https://www.dropbox.com/s/aj2pl3u0rybj7pp/2000%20gmc%20sierra%20fluid%20chart.pdf?dl=0]
Question
Is it bad to daily drive my automatic truck in manual mode or with 3,2,1
The Owner's Manual for this vehicle does not refer to a manual mode for automatic transmission equipped vehicles. The transmission is electronically controlled and the shift points are variable (based on load) and optimized to minimize wear on the drivetrain....
Question
I have 2003 Chevy Silverado my problem is I can only listen to my radio in auxiliary when I start the truck radio will not work.
Hi Dennis. Thanks for contacting us today. What you're describing is typically caused by an electrical short inside the ignition switch or with the electrical relay that is faulty. The first thing I would do is determine if other accessory...

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