1. Home
  2. Advice
  3. Tags
  4. V8-4.8L

Showing articles & questions for topic
V8-4.8L

Related questions

Question
2004 silverado ac compressor wont engage will not see key is turned on in ignition
You will need to scan the theft system to check for codes and have the key in theft system tested and diagnosed. This may require the factory or equal scanner to diagnose the problem.
Question
cylinder 7 misfire
It is possible there is low compression in the misfiring cylinder due to a fault with the rings or valves in that cylinder. Another possible cause of this is a faulty fuel injector in that cylinder. Whatever the underlying fault...
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
My 2009 GMC Sierra is making a clunking noise in the rear end. It happens when the truck is in Drive, but while I am applying the
It is possible that you could have a loose leaf spring shackle causing this noise. If the truck does not have leaf springs on the axle does possible that it has an arm that acts as a control arm that...
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
Squeaking coming from rear Drum brakes
The steel backing to which the brake shoe is bonded moves against a steel support plate. That metal to metal contact can cause noise. There are some high temperature, water resistant lubricants that can be applied to mitigate the noise....
Question
So i was driving down the street then all of a sudden my truck dont move anymore on drive or 3rd gear but 1st and 2nd and reverse
The problem is in the transmission forward clutches and seals. The transmission pressures should be checked to see if the shift solenoids are working correctly first. If pressures are all good then you have worn out forward clutches. Have a...
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
Can i punch out my cats?
Claimed by Jay Safford
Question
I have a 2007 GMC sierra classic. What can be the problem if I have no pressure on the brakes
Hi Jessica. Thanks for contacting us today. One of the most overlooked components that can cause a brake pedal issues like you've described is the proportioning valve. This component is located under the hood and is responsible for adjusting the...
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
Where is the proportioning valve located
Hi Fernando. The proportioning valve on GMC Sierra's are typically located on the passenger side of the engine bay, near the frame. It is attached from the master cylinder and then runs to each individual caliper. You might want to...
Question
Coolant boils and overheats
At nearly three hundred thousand miles, you might be having engine problems. I know you said the coolant is not milky. but it is not always the case that coolant appears contaminated. It might be a bad head gasket, or...
Question
Brand new ac drive belt snapped after ac compressor replacement
Adjusting the gap on the AC clutch is something we used to do years ago, but it's usually unnecessary on later model cars. The two things that would lead to a belt breaking are slippage or miss-alignment, Slippage could happen...
Question
Will 13 escalade brake calipers and rotors fit my 09 Silverado?
Hi Brandyn. Thanks for contacting us today. The compatibility of these two years brake calipers is not going to work. They have different off-set sizes and sensor configurations. If you have a 2009 Chevrolet 1500, you should only use the...
Question
reduced engine power 2003 chevy taho 4.8l i need a precise ansver not maybe this or thas
Hi George. Thanks for writing in today. When this light illuminates the vehicle will often go into a “safe mode”, which will severely limit the speed of the car and in some cases will render the vehicle non-drivable. Since the...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question