Miata Mailing List: January 1997, Message #60
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   From: (none)

Subject: Re: Bad crankshafts?

   Date: (none)



Jim Miller wrote:

> 

> I have a 91 Miata that has the so called bad crank.

> 

> I talked to a friend who is a mechanic for a large Mazda dealership here

> in Pittsburgh.  He has never seen any problems with the older cranks.  I

> am just wondering how serious this is.  From his point of view, this

> whole issue is being blown way out of proportion.  If you know what your

> doing when taking off the crank pulley and gear, there will never be a

> problem.  Any mechanic that knows what he/she is doing, always cleans

> the threads on a crankshaft and camshaft before installing the bolt.

> New crank/cam bolts are always used when the gears are removed.  Anyone

> who sais different is asking for trouble.

> 

> Get a good torque wrench when installing the gears too!

> 

> Jim Miller

Not to argue, but how would he explain the ones that have gone south

without having been touched since leaving Japan? It has happened....

YMMV, etc.





bill

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