On Nov 5, 3:57 pm, "Devils Advocate" <devilsadvocat....TakeThisOut@hotmail.com>
wrote:
> 02 impreza has a noisey engine, similar to a ticking sound, that goes away
> once warm.
>
> Is there a liquid I can put in with an oil change to take this away?
>
> I know I had a Impala with the same issue, when to dealer and got a bottle
> of liquid for ticky engines, and puff no more tick. Quiet as a mouse in
> fact.
Probably the infamous 'piston slap'. See:
http://resnet.uoregon.edu/~dwhite/pages/subnoises.html
Dan D
'99 Impreza 2.5 RS (son's)
Central NJ USA