Noise at shutoff

[DanDee]

Solved my "clank" at shutdown... .



Since new I've had the clunk & screech at shut down, (which everyone seems to have. ) Recently the noise seems to have changed, no more screech of the belt & I'm noticing a more metallic "clank". (Just turned over 3K) Maybe always been there, just covered somewhat by the screech.



I suspected the cat as it has always looked too close to a crossmember, & sure enough while not touching, it was very close and when the engine shook a little, it would make contact.



But what appeared to be at first glance a "crossmember", is just a rear cross "brace" for the skid pan.

Loosened the four bolts and there was enough play to drop it down a 1/4" or so... just enough to stop my noise!

(It also would be no big deal to slot the holes a little for more clearance if needed... ) good news as I wasn't looking forward to a dealer visit & have them mess with moving the exhaust around!



Side note... the screech stopped recently between the 2K & 3K mark... that because the engine has loosened up & is not stopping as quickly? or just that the belt has aged & is not as noisey???



Dan

 

[phloop]

Like the design of that skid plate crossmember, huh? The very first thing I did to my truck was remove that pos as when I had drove it off the lot when I picked it up it had a kind of a clanking vibration. I crawled under it 4 blocks later and saw where the noise was coming from. As I'm not able to give my truck a cat'ectomy yet, the easiest thing was to remove that plate/crossmember.

 

[DanDee]

If it starts hitting again... . that will be next for sure!!!



Dan