Question about Chevrolet Silverado 1500
Overheats at idle, very boggy sounding when you step on the gas, weird metal clunking sound when you shut it off.
Sounds like it has jumped (timing). chain has probably stretched and moved places on the gears.
Posted on Mar 19, 2014
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Posted on Jan 02, 2017
My was doing the same thing, it was an EGR valve and a misfire on the #2 cylinder which required a new spark plug and a coil pack
Posted on Mar 13, 2009
you will distroy the engine if you continue to let this noise happen.
the timing must be retarded to get the ping out if its that bad.
most of the time if its just a little bit though filling the tank with super unleaded will take out the noise.
the distributer must be loosend and turned in the correct way to ****** the timing and the idle must be put back up to compensate.
the distributer is the ignition timing.
the other thing that could have happend is the timing may have jumped time on the timing belt itself.this is a complely different timing.
this timing is valve timing.
the distributer is ignition timing.
when the distributer is turned you are changing the ignition timing .
you say in your text and i quote .
The service tech only adjusted the distributor fas far as he could to lower the idle.
a tech should never be turning the distributer to lower the idle nor should this be explained in any way to the customer.
if a tech says he dosent understand something stop them rightaway and get your car out of there or get someone else to talk to .
10 times out of 10 if the tech dosnet get it the car wont get it either.
have a competent service tech test and conferm the timing belt or chain timing .
keep me posted
Posted on Jul 29, 2009
Hi its sounds as though a bearing is braking up inside its race,possibly on a c/v joint or universal joint, especially if front wheel drive.
Posted on May 12, 2010
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