Re: drivebelt and timing belt

["balance" <BALANCEPERF@prodigy.net>]

Hello,


    I generally install a new timing belt with 2 mm of deflection,
then after 100-150 miles, recheck the tension. Usually it is still
around 4mm, I leave it at that. I have gotten to the point where
I leave the top of the timing belt cover off of my personal cars,
Just so I have easy access to the belt. Always set the timing marks, as
if for some reason, the engine is turned over, you will have a reference point
to go to.
I can "feel" the correct tension, or you can use the twist method.


Always use German timing belts, especially on 16v's as if they break,
the results are, well, no less than $500 worth of repairs.

The hardest part of changing the timing belt is getting to it, especially if you have PS &
AC
 Another frustrating thing is getting the marks _truly_ aligned.
it seems like every time you think you have it right, it is always a tooth off.
  Quadruple check ,and recheck it, especially if it is a 16V.

Good luck!

      Percy.


- -----Original Message-----
From: Victor Farren <vfarren@smtp.cdie.org>
To: scirocco-L@scirocco.org <scirocco-L@scirocco.org>
Date: Wednesday, September 16, 1998 11:35 AM
Subject: drivebelt and timing belt


:I checked my Haynes manual b/c I need to replace my drivebelt/alternator belt.  It states
that the drivebelt deflection distance for a new belt should be 2mm, and 5 mm for a used
belt.
:
:Just curious, but if you are installing a new belt, at what point does it become *used*,
and therfor a 5mm deflection is ok?  So, at what point in the life of the belt is 5mm ok,
and when is 5mm too much (apart from just after getting it from the store)?
:
:Timing belt--looked at the Haynes manual again and looked into changing the timing belt.
The Haynes manual makes it sound real easy...but it can't be that easy, can it?  It also
doesn't mention anything about making sure the number one piston is at TDC, but the
Bentley manual does.  Do I have this straight or am I  out to lunch on this one?
:Anybody replaced their timing belt?  Got any words of wisdom?
:
:Thanks
:
:Victor J. Farren
:Research & Reference Services
:PPC/CDIE/DIO/RRS
:Tel: (202) 661-5842
:Fax: (202) 661-5891
:E-mail: vfarren@rrs.cdie.org
:
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