View Full Version : Video: Rough/heavy idle and abnormal belt sound in replacement k20a3
chewie_jrc
05-16-2013, 06:04 PM
Engine died so i had a k20a3 replacement put int (original thread here: http://www.ephatch.com/forum/showthread.php?72932-P2646-knocking-sound-dead-ep3).
Getting a rough/heavy idle and some belt noise. Video here: http://www.youtube.com/watch?v=Q4RNYqvz0Y8&feature=youtu.be
No engine codes. Once I'm accelerating or up to cruising speed everything smooths out and drives great.
Thoughts??
chewie_jrc
06-20-2013, 08:32 PM
Quick bump.
I'm replacing the belt here in about an hour. What about that idle, any guesses?
Thanks in advance!
syncmaster
07-19-2013, 03:54 PM
May want to start with a valve adjustment...
chewie_jrc
08-16-2013, 07:13 PM
May want to start with a valve adjustment...
Rog. I replaced the idle and tensioner pulley during the belt change since they were still original. That cleaned up some noise.
Triple-checked for vacuum leaks. I think you're right on the valve adjustment.
I just got the feeler gauges in so I'll be doing this tomorrow. I'll get an after video up for posterity.
Thanks!
usedep3
08-16-2013, 08:09 PM
Rog. I replaced the idle and tensioner pulley during the belt change since they were still original. That cleaned up some noise.
Triple-checked for vacuum leaks. I think you're right on the valve adjustment.
I just got the feeler gauges in so I'll be doing this tomorrow. I'll get an after video up for posterity.
Thanks!
I was gonna say, the squeal from the belt sounds like the idler pulley going bad. Post a new vid of the idle if possible.
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