- 1. Free play in crank?? ('70 MGB) (score: 1)
- Author: Jurgen Hartwig <gt0003a@prism.gatech.edu>
- Date: Wed, 06 Jan 1999 22:57:36 -0800
- Hi all, while driving down to school I noticed that the car developed a clicking noise (as if from something hitting during rotation) from the front of the car during medium acceleration below 2500 R
- /html/mgs/1999-01/msg00387.html (8,249 bytes)
- 2. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: s4usea@fanniemae.com (Scott Allen)
- Date: Thu, 7 Jan 1999 07:46:59 -0500
- gt0003a@prism.gatech.edu asks: Spun bearing. If you have a friend with a stethascope (sp?) you may be able to take a listen down by the sump and figure out which one it is. Good luck, Scott Allen
- /html/mgs/1999-01/msg00399.html (8,378 bytes)
- 3. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: EricSsmc@aol.com
- Date: Thu, 7 Jan 1999 08:18:38 EST
- Crank end free play usually results from the engine dropping the thrust washers out. The thrust washers control the end float of the crank shaft. The washers on your car are on the #3 main bearing (m
- /html/mgs/1999-01/msg00402.html (8,476 bytes)
- 4. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: "Harlan Jillson" <hjillson@argohouston.com>
- Date: Thu, 7 Jan 1999 08:16:26 CST
- This is a good one. Scott votes for spun bearing, and Eric is betting on worn thrust washers.... If I understand correctly, the problem with the movement is that the fan rotates up to 3/8 of an inch,
- /html/mgs/1999-01/msg00405.html (8,597 bytes)
- 5. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: Jurgen Hartwig <gt0003a@prism.gatech.edu>
- Date: Thu, 07 Jan 1999 07:56:38 -0800
- When I originally rotated the crank, this was the first thing that came to mind. I've heard of it happening, but didn't have any experience. Plus, I was and still am in denial. I rebuilt the motor 1
- /html/mgs/1999-01/msg00407.html (8,494 bytes)
- 6. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: s4usea@fanniemae.com (Scott Allen)
- Date: Thu, 7 Jan 1999 09:17:55 -0500
- I'd said worn thrust washers too 'cept for the clicking noise. Been there, done that. Like Harlan goes on to say though, you'd expect a drop in oil pressure (if a spun bearing) unless the engine was
- /html/mgs/1999-01/msg00408.html (7,862 bytes)
- 7. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: "Lawrie Alexander" <Lawrie@britcars.com>
- Date: Thu, 7 Jan 1999 07:50:58 -0800
- I'm not sure how missing thrust washers, which limit the fore-and-aft movement of the crankshaft, would enable the fan to move forward a noticeable amount. This would happen an a Triumph TR3 or 4, w
- /html/mgs/1999-01/msg00411.html (9,663 bytes)
- 8. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: EricSsmc@aol.com
- Date: Thu, 7 Jan 1999 11:21:06 EST
- I don't see how the fan would move forward if the thrust washers are gone. TR's would do this (fan is mounted to crank) but not a B. The fan is water pump mounted, isolated by the fan belt. Have I mi
- /html/mgs/1999-01/msg00414.html (7,584 bytes)
- 9. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: "Neil Cotty" <neilc@tradesrv.com.au>
- Date: Fri, 8 Jan 1999 11:47:30 +1000
- Couldn't see how it would be a spun bearing, I tell ya, the one I had last month sounded so bad you would *know* there was some sort of catastrophic failure like that! Bang, bang, bang, bang!! In ti
- /html/mgs/1999-01/msg00452.html (9,521 bytes)
- 10. Re: Free play in crank?? ('70 MGB) (score: 1)
- Author: John Greenwood <bmartin@southeast.net>
- Date: Fri, 08 Jan 1999 12:27:27 -0500
- My first post to this list, and I also missed the original post to this thread. But I've seen this problem on my Cooper S. I could turn the fan rotationally a few degrees back and forth. The water pu
- /html/mgs/1999-01/msg00486.html (8,162 bytes)
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