Volkswagen Passat 1995 Official Factory Repair Manual page 3642

Steering
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1
- Clean threaded stud or tie rod with M 14 x 1.5 tap
or wire brush.
- Check if joint stud threads are deformed replace if
necessary.
Note:
Do not tilt tap when positioning. If it is difficult to turn
the tap onto the thread or if metal swarf forms, this
indicates the thread is deformed.
- Cover steering gear housing opening (arrow) with
a cloth.
- Clean threaded hole in rack with M 14 x 1.5 tap.
- Clean thread with nitro thinners e.g. L 160 (thread
must be oil and grease free).
- Clean with compressed air.
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12/7/2004