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Engine saga continues

Guest Anonymous

By Guest Anonymous,
in BMW 2002 and other '02

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Guest Anonymous

Guest Anonymous

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Posted

2_f.jpg

Checked rod clearances today, .051mm on both the #2, and #3 rod bearing according to the plastigauge. #3 was the one making the most noise. This is within spec, although on the high side. I don't want to do a rebuild, I only want to make the engine reliable for a few years until I can afford to rebuild the original engine. I am open for ideas.

Thanks!

Jeff C.

70 Granada 2002 Sunroof, Mega-Squirt EFI

66 Turf 2000 Automatic

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Guest Anonymous

Guest Anonymous

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When you first posted about the knock at low idle, I thought that it was not rod knock at all, but piston slap. Did it go away at higher speeds? If so, it could be loose pistons.

It was hard from your description to figure out what exactly was wrong.

Good Luck,

Mike (#87)

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Guest Anonymous

Guest Anonymous

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2_f.jpg

No, I am not sure. When I pulled the #3 spark plug wire, it goes almost compleatly away. Pulling the #1 gets rid of the rest of it. It is a dull hollow coconut sound at low idle, goes away at upper reves. I just want to make sure it isn't a spun rod bearing, because last spring the #2 spun on my 2002. It was just a little knock, and then suddenly went from knock to full seizure in 15 miles! I don't want to have that happen again! At this point, sense the bearings are OK, and within spec, I think I will just put it back together. I only paid $75 for the engine in the first place, and spending $90 on bearings for a temp motor seems silly, unless it really needs it. The original engine will get rebuilt in a few years when I have enough time and money to do it.

Do I need to put locktite on the rod bolts and main bolts before assembly, or will just torquing them be OK?

Thanks for your help.

Jeff C.

70 Granada 2002 Sunroof, Mega-Squirt EFI

66 Turf 2000 Automatic

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them's stretch bolts, ya gotta use(buy) new ones and use magic lube when torqin them down...

or some such damn thing.

I'd use loc tite and torq em good. (coming from a guy that once got a vw motor running with a head pulled outta the mud in his friends back yard)

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