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Re: Rod knock at idle only??? [Re: ahy] #1159420
01/19/12 02:00 AM
01/19/12 02:00 AM
Joined: Jan 2003
Posts: 75,092
A Banana Republic near you.
JohnRR Offline
I Win
JohnRR  Offline
I Win

Joined: Jan 2003
Posts: 75,092
A Banana Republic near you.
Quote:

I don't know exactly how, but the debris from a wiped cam seems capable of getting in a lot of places it shouldn't. Perhaps the filter was so plugged after the debris it burped its bypass valve and let some unfiltered oil through. It should be cleared out by now.




I spun a bearing and after disassembling the lifters , hyd cam and lifter only had 800 miles on then , I found metal INSIDE the lifters , the oil pump was trashed .

I have the rod and mains from an engine that had the cam lobes just start to go away , schubeck lifters so the cam never wiped , the rod bearings are trashed .

Flattening lobes and just changing the oil along with the cam and lifters is just asking for trouble .

Re: Rod knock at idle only??? [Re: JohnRR] #1159421
01/19/12 08:32 AM
01/19/12 08:32 AM
Joined: Jan 2003
Posts: 25,200
Upper Midwest
M
MoparforLife Offline
Too Many Posts
MoparforLife  Offline
Too Many Posts
M

Joined: Jan 2003
Posts: 25,200
Upper Midwest
Quote:

Quote:

I don't know exactly how, but the debris from a wiped cam seems capable of getting in a lot of places it shouldn't. Perhaps the filter was so plugged after the debris it burped its bypass valve and let some unfiltered oil through. It should be cleared out by now.




I spun a bearing and after disassembling the lifters , hyd cam and lifter only had 800 miles on then , I found metal INSIDE the lifters , the oil pump was trashed .

I have the rod and mains from an engine that had the cam lobes just start to go away , schubeck lifters so the cam never wiped , the rod bearings are trashed .

Flattening lobes and just changing the oil along with the cam and lifters is just asking for trouble .



Re: Rod knock at idle only??? [Re: MoparforLife] #1159422
01/19/12 12:21 PM
01/19/12 12:21 PM
Joined: Jan 2003
Posts: 16,376
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dogdays Offline
I Live Here
dogdays  Offline
I Live Here
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Joined: Jan 2003
Posts: 16,376
You could also have a wrist pin knock.
R.

Re: Rod knock at idle only??? [Re: dogdays] #1159423
01/19/12 12:39 PM
01/19/12 12:39 PM
Joined: Apr 2011
Posts: 14
michigan
S
Sparky77 Offline
member
Sparky77  Offline
member
S

Joined: Apr 2011
Posts: 14
michigan
i would look at the flex plate bolts and the bolts to the crank and 1 other thing... i had a motor home that sounded the same after i went over all the bearings flex plat bolts and every thing i grabed ahold of the alternator to re position myself and it moved a little so i found the source of the movement ,tightened the bolts ane no more noise just my 2 cents Sparky

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