Knocking after oil pump install

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Knocking after oil pump install #935488 03/12/09 08:28 AM

Joined: Nov 2006

Posts: 87

Northwest Territories , Canada

PETE_YK

Getting the Wheeling Fever

Howdy! Its been a while. Got a buddy with a 82 truck, 22r. He just installed a new oil pump which solved his low oil pres. and loose chain problem. Now the engine is knocking. Was described to me as a rod knock, not loud, but its there. Judging by how it ran before there was no excessive clearances anywhere. He confirmed he has plenty of oil pressure. Any ideas? And just for shits and giggles, how far does the timing chain have to be off the cam gear mark to start smackin valves?

Thanks for any help.

88' Xtra cab, 22RE, 5 spd, alumi flat deck, 3" BL, 35" muds...awaiting SAS.

'02 Ram, 4.7, REV 'Shooter' wheels wrapped with M.T. Baja claws.

Re: Knocking after oil pump install [Re: PETE_YK] #935489 03/12/09 05:34 PM

Joined: Sep 2005

Posts: 970

Winston-Salem NC

RatLabGuy

Rock Warrior

Was he having any kind of knocking before he replaced the pump?
The first question is "this is something resulting from the oil pump install" vs "this is a result of running w/ the lax timing chain".

With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.

Question Reality.
-----------------------------
'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah

Re: Knocking after oil pump install [Re: RatLabGuy] #935490 03/15/09 01:58 AM

Joined: Nov 2006

Posts: 87

Northwest Territories , Canada

PETE_YK

Getting the Wheeling Fever

Nope it wasnt knocking before.
I think the question is obvious. It ran fine before, even with the slacked off chain.

88' Xtra cab, 22RE, 5 spd, alumi flat deck, 3" BL, 35" muds...awaiting SAS.

'02 Ram, 4.7, REV 'Shooter' wheels wrapped with M.T. Baja claws.

Re: Knocking after oil pump install [Re: PETE_YK] #935491 03/15/09 05:40 PM

Joined: Jun 2003

Posts: 3,576

1800 acre island at the Oregon...

engnbldr

Roll Me Over

Quote

Nope it wasnt knocking before.
I think the question is obvious. It ran fine before, even with the slacked off chain.

>>>*1982 should be the dual roller timing chain assembly. The description actually is one of a tensioner that is stuck or jammed for some reason.

Perhaps the increased oil pressure kicked a bit of dirt or debris loose? The early timing chain setups are described as bulletproof but the actual term should be durable.

That tensioner is also susceptible to debis, etc, just like the later designs. Lower than normal oil pressure will still operate the tensioner, but stuck will always make a noise. This does sound like that might be what happened....*EB

*Beats the he** outa me!....*LOL**...

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