My engine's making a nasty knocking sound. Any ideas?
02-13-2014, 06:19 PM
#1
Senior Member
Thread Starter
iTrader: (2)
Join Date: 07-07-05
Location: Houston, TX
Posts: 799
Likes: 0
Received 0 Likes
on
0 Posts
My engine's making a nasty knocking sound. Any ideas?
Hey guys, had my engine rebuilt a thousand miles or so ago, and now it's making this really nasty knocking/slapping sound. It does it when I start it up after it's been sitting awhile, then it goes away after about 5 minutes and starts sounding normal. Ugh.
Does anyone have any idea what's causing this sound, what it means, and what I should do about it? Thanks.
It sounds super unhealthy...
Does anyone have any idea what's causing this sound, what it means, and what I should do about it? Thanks.
It sounds super unhealthy...
02-13-2014, 06:23 PM
#2
Senior Member
iTrader: (9)
Join Date: 06-11-13
Location: North Carolina
Posts: 5,708
Likes: 0
Received 0 Likes
on
0 Posts
thats almost what my car sounded like. I changed the timing chain tensioner and it went away. kinda sounds like it. does it sound like a loud chain in person?
02-13-2014, 06:52 PM
#3
Senior Member
Thread Starter
iTrader: (2)
Join Date: 07-07-05
Location: Houston, TX
Posts: 799
Likes: 0
Received 0 Likes
on
0 Posts
I don't know if I would describe it as a chain sound, but I'm having trouble imagining what a chain would sound like.
I have been having a CEL issue related to timing though. The shop that rebuilt it couldn't get the CEL to go away, I don't remember the exact code but it's something related to timing. The shop told me to go to the dealer, which I have yet to get around to doing.
I have been having a CEL issue related to timing though. The shop that rebuilt it couldn't get the CEL to go away, I don't remember the exact code but it's something related to timing. The shop told me to go to the dealer, which I have yet to get around to doing.
02-13-2014, 07:02 PM
#4
Senior Member
iTrader: (9)
Join Date: 06-11-13
Location: North Carolina
Posts: 5,708
Likes: 0
Received 0 Likes
on
0 Posts
IMO if a shop caused the timing issue they should research it and fix it. and honestly I think thats the timing chain being loose. maybe a more knowledgeable member will chime in and confirm.
02-13-2014, 07:38 PM
#5
Senior Member
Thread Starter
iTrader: (2)
Join Date: 07-07-05
Location: Houston, TX
Posts: 799
Likes: 0
Received 0 Likes
on
0 Posts
Just FYI: the best point in the video to hear the sound I'm talking about might be in the second video, 18 seconds in. I walk to the back of the car, and the noise in question seems more audible without the rest of the engine noise. It sounds like a clicking or slapping type noise.
02-13-2014, 07:42 PM
#6
Senior Member
iTrader: (9)
Join Date: 06-11-13
Location: North Carolina
Posts: 5,708
Likes: 0
Received 0 Likes
on
0 Posts
to me the front sounds just like the timing chain **** on you. I never listened to the back end of my car at that time. but its an easy and rather cheap fix as well. CED carries the new one and its simple to install.
02-14-2014, 01:47 PM
#8
New Member
Join Date: 01-24-12
Location: Conroe area
Posts: 161
Likes: 0
Received 0 Likes
on
0 Posts
sounds like a stuck valve.....
heard of valve seals gumming up and causing a valve to stick till it warms up a bit.
if it were a chain then it would never go away. Plus your exhaust note sounds like it has a bit of blow by.
This may even throw a timing code, but the going away part really makes me think less chain and more valve....
heard of valve seals gumming up and causing a valve to stick till it warms up a bit.
if it were a chain then it would never go away. Plus your exhaust note sounds like it has a bit of blow by.
This may even throw a timing code, but the going away part really makes me think less chain and more valve....
Thread
Thread Starter
Forum
Replies
Last Post
twilson380
2.0L LNF Performance Tech
6
09-14-2015 10:52 AM