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Balance shaft sprocket issue ends in 94 model year
Posted by David Ingram (more from David Ingram) on Thu, 1 May 2008 13:03:06
In Reply to: Aero Head Gasket, yike, jeff pinter, Thu, 1 May 2008 06:43:51
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93s do unfortunately still have the higher than normal risk of balance chain sprocket failure (and likely consequential timing chain failure should this occur).
That said, as one commenter here has pointed out, there are lots of these cars on their original timing chains without any troubles.
If it's noisy, I'd recommend changing the timing chain guide in the underside of the valve cover, yes. These get hard over the years and can contribute to noise.
On 93s, I harbor a suspicion that there was a running change in which the offending sprocket was addressed, but I have no data to back that up. So I still figure 93s to be possible risks in that area. These days, though, a 93 doesn't command much in the marketplace, so if I found a good running example I'd probably just drive it and forget it.
posted by 68.195.246...
Posts in this Thread:
- Aero Head Gasket, yike, jeff pinter, Thu, 1 May 2008 06:43:51
- Barsleak before or after retorque Head Gasket,, mgw, Thu, 1 May 2008 13:35:49
- Balance shaft sprocket issue ends in 94 model year, David Ingram, Thu, 1 May 2008 13:03:06 <-- Viewing This Message
- Re: Aero Head Gasket, yike, Dale, Thu, 1 May 2008 06:57:42
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