'91 Merc Topaz


Old 08-07-04, 10:43 PM
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Question '91 Merc Topaz

I have two questions regarding my '91 Topaz, 2.3L Auto. My first question is regarding the transmission.

For the past several months it has been making a lot of noise whenever it is at a stop but still in gear. It seems to run rough and this is sometimes accompanied by a jingling noise. As soon as I start moving again the noise disappears, and it is only there if I'm in gear, not in Park or Neutral. I'm assuming this could only be a transmission problem, but I'm not really sure what to look at beyond that. It seems to shift fairly smoothly, although it's a little rough going into third sometimes if I let off the gas.

My second question is about the valve cover. When I bought the car last year, I had to replace the gasket beacause it was leaking. It was only a couple of months before it started leaking again, so I'm about to redo it again. I've been told that there was actually a problem with the vlave covers themselves on these cars, and that this is a really common problem, has anyone else heard of this? Thanks in advance!

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Old 08-08-04, 05:14 AM
Join Date: Apr 2002
Location: Pittsburgh,Pa
Posts: 2,417
The jingling noise may be a loose exhaust heat shield or internal catalytic convertor problem.The oil leak I would make sure the pcv system is working properly.

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