Bill,
If you don't hear any noise from the timing chain, I wouldn't worry about
replacing it with only 87k. It seems that some of the 3.9's around 94/95
got the tensioner and some didn't. The lack of tensioner is the reason for
premature failure of the timing chain. I speak from experience having
replaced the timing chain in my 95 3.9 and there not being a tensioner
present.
I replaced mine with a Mopar timing chain set and tensioner. I can't
speak to whether or not a tensioner is not needed if you use a double roller
set. In my mind, it's still a good idea.
As far as a plug set goes, there shouldn't be one. My engine did not have
a tensioner when I opened it up, and I didn't remove any plugs that I
remember to install the tensioner.
Hope this helps.
--Aaron--
95 DSRC 4x4 V6
From: "Bill S." <kb7vkl@yahoo.com>
Reply-To: dakota-truck@dakota-truck.net
To: dakota-truck-moderator@bent.twistedbits.net
Subject: DML: When to change timing chain set?
Date: Wed, 21 Sep 2005 17:19:30 -0700
I've got a '94 Dak 3.9ltr with ~87,000 miles on it, is this about the
right time to replace the timing chain set to avoid its failure?
If I read this right; if I install a double row true roller chain set
I won't need the tensioner? Does this require any sort of plug set to
fill the space the tensioner took up? I haven't been in a Chy V engine
in over 30 years, that's why I have to ask.
Thanks for any helpful information offered.
Bill
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1994 Dak, V6, AT, AC, all stock for now
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