It happens over time. The rubber gaskets will harden up (shrink as well)
and the bolts get loose due to this.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Kyle
Vanditmars
Sent: Monday, March 07, 2005 6:20 PM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: Re: DML: Loose valve cover bolts
Jay & Dana wrote:
> Anyone else with a Gen III, 318 notice that your valve cover bolts
> loosen up over time? Last summer I tightened mine up, and today I
> greased, changed oil and filter and checked the valve cover bolts and
> at least half were loose again (no leaks though).
>
> ~Jay
I don't know what causes it, but I'm assuming vibration. You could just get
a jug of blue loctite and you'd never have a problem again.
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