Engine knock after rebuild.....need advice |
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Engine knock after rebuild.....need advice |
LCOX |
May 26 2014, 01:07 PM
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#1
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Member Group: Members Posts: 93 Joined: 19-December 09 From: Pinnacle Member No.: 11,148 Region Association: None |
This on going problem started after I rebuilt my 1.8 engine last year. Since then I haven't driven the car and I've put it on the back burner and finally ready to face it again.
Rebuilt the 1.8 with all new bearings and new rings. There is a definite engine knock at idle and throughout the rpm range. This is not a ticking noise like a valve out of adjustment but a bottom end knock. I did check valve adjustment and everything I could think of. When I pull the #3 spark plug wire the knock almost completely goes away but not completely but definetly better A couple members said it was probably a rod knock so with the engine in the car I pulled the head and #3 piston and cylinder and tried another rod but the knock is still there. So I guess take the engine apart and look for a mistake I made on the bottom end rebuild right? Anything else I can try? Thanks in advance. L |
saigon71 |
May 27 2014, 06:40 AM
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#2
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Advanced Member Group: Members Posts: 2,000 Joined: 1-June 09 From: Dillsburg, PA Member No.: 10,428 Region Association: MidAtlantic Region |
Did you have the case line-bored during the rebuild?
Years ago a buddy built a 1776CC type 1 engine. The case had to be line bored to true it up. When he fired it up, there was a horrific knocking sound. Upon investigation, he used standard bearings instead of the oversized ones required with a line bore. (IMG:style_emoticons/default/sad.gif) Good luck with the project and keep us posted as to what you find. |
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