When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
THERE HAS BEEN A LOT OF TALK OF PISTON SLAP ON C-5'S ON THE FORUM. I HAVE ASKED WHAT IT SOUNDS LIKE, BUT NO ONE HAS REPLIED. IS THERE ANYONE OUT THERE THAT CAN DESCRIBE THE SOUND AND ANY OTHER DESCRIPTIONS OF PISTON SLAP.
:smash:
Same with me, from inside the car it sounds like a diesel. From outside the car it sounds more like a tapping or clipking. There have been posts from people who started checking with a stethascope, and discovered that the noise was not coming from the block (piston slap) but from some accessory or pump. Since the noise on mine does not begin until a minute or two after the engine starts, I suspect that mine may also be something different.
In any event, it does not seem to be causing mechanical problems, just that owners are getting ulcers from worrying about it.