Re: Engine Knock Right at Engine Start only!!

No work done to the A/C. As a matter of fact my air hasn't worked in a long
time. I'm just to lazy to replace the sensor on the drier unit.

BillM wrote:
>> I'm trying to get as much research for this as 
>> I possibly can before taking
>[quoted text clipped - 10 lines]
>> usually happens after the engine
>> has been sitting for the night.
>
>I know this sounds kind of weird----but have you 
>had any work done on the AC?
>If there is a bit too much oil in the AC system, 
>it will settle in the pump lower
>cylinder overnight, and knock a few times on 
>start-up.  Had it happen on my
>94 K1500.
>
>Bill

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