[Vwdiesel] re-torqueing the head
paul lew
biovolks at yahoo.com
Mon Mar 17 17:23:12 PDT 2008
Does that torquing instruction (below)apply to any type of head bolt on vw diesel?
I bought my latest 90 diesel turbo Jetta last year, and the head gasket was replaced
about 1-2 years previous.
Everything runs fine, there is just a very slight leak from the gasket to the outside of engine.
It wasn't done by a vw mechanic, and the person I bought it from didn't go back in for
any retorquing.
There's no way of me finding out if they were regular bolts or stretch.
I know, it might be a slight warp in the head, but it would be nice if all I need to do is re-torque.
Paul
Date: Sat, 15 Mar 2008 01:10:02 EDT
From: LBaird119 at aol.com
> Raceware says to not torque the studs more than 50 ft. lbs. Has
anyone
> increased the torque on the studs to something more than 50 ft. lbs.?
I
> noticed the Bentley has some of the stretch bolts pulled up to 65 ft.
lbs.
> These studs are the 11 mm studs.
The 11mm bolts aren't stretch. That's why they go to 65lbs.
I have the RT-106 instructions right here. "Torque the nuts in
three increments using the torque pattern in the factory service
manual. Step 1 40Nm., (30) ft/lbs. step 2 60Nm., (45) ft/lbs.
FINAL TORQUE 80Nm., 60ft/lbs.
We recomment running the engine until it reaches normal operating
temperature then shutting it off and alloing it to cool to room
temperature, then re-torque the nuts to 80Nm., (60) ft/lbs. again."
Then I say follow most head gaskets recommendation of a
re-torqe after 600 miles. (some gasket instructions say 1000 miles
but I believe it's a misprint since most seem to say 1000 miles /
600 Km.
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