Questions & Answers for: GMC tapping noise

...tapping noise. like a bent valve. took off the heads , valves ok. could it be a lifter? what else wood make a ticking tapping sound? Sometimes the fuel injectors make noise simular to lifters not a ...

very loud noise - they told me is the front differencial they put oil and is not making the noise but they told me is damage and it will need to get replace inmedialtely Could you Explain this in ...

...tapping sound goes away. The clicking is generally caused by a flat roller bearing. If the sound seems to be from the fan clutch you can grab the fan blades and see if the bearing is worn by rocking ...

...noise gets quieter then stops. It sounds like the rocker arms are tapping? Most likely it is the rockers tapping the lifters. the crankcase has only leftover oil in it at the start, and has to wait ...

tapping noise upon startup Have an 01 GMC Sierra 1500 HD truck that has a metal to metal tapping noise in engine compartment upon startup however if you shift into drive or back to reverse (put a load

...tapping noise coming from my engine that is worse when cold, improves as the engine warms up but is getting worse. A retired mechanic listened to the noise and suggested a piston collar problem. ...

...noise of tapping, to have pressure and continues with noise too long. The engine shows full and is not dirty. The tapping noise concerns me because it sounds as if there is not enough oil pressure. ...

...tapping noise coming from right rear fender well area. starts tapping when you turn on the ignition (motor warm) and will last for about 90 seconds then stop That is one of the mode actuators for the ...

...tapping noise on start up it goes up but after running a bite it drop down to nothing i start my truck up and it sounds fine and has some oil pressure but the more i drive it the tapping starts and ...

loud valve tap? sounds like a diesel motor... I have a 2002 yukon Denali with 290,000 miles on a 6.0 liter v8...i cant believe how good this truck still runs! BUT it has a valve tap or some noise ...