Timing Belt Tightening

Kneale Brownson knotnook at traverse.com
Sun Jun 27 16:32:13 EDT 2004

I'm redoing my timing belt on the 200q20v because I flubbed up the
crankshaft seal installation last fall and had a fairly good oil leak.    I
 since acquired the 2080A tool that puts the seal in properly instead of
guessing whether it's right using sockets as I did before.  I then followed
the Bentley directions for tightening the belt with the water pump so that
I can twist it 90 degrees with forefinger and thumb at the midpoint between
camshaft pulley and water pump pulley.  I rotated the engine several times
and found the adjustment the same.  So I buttoned 'er up and was starting
to install the belt deflection limiter on the passenger side when I
remembered I'd forgotten to torque the camshaft pulley bolt.  So I take the
cover off again and notice there's a fair amount of slack between the
crankshaft pulley and the camshaft pulley.  I noticed this because I
reinstalled the 2084 crank holder so I could torque the camshaft bolt, and
had to nudge the crank pulley a bit to line it up for the tool.  Do you
normally "take the slack out" of the belt between the cam and crank pulleys
before tightening the other side with the water pump?  The Bentley says
nothing about snugging up that side of the belt before tensioning with the
water pump.

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