944 S L4-2479cc 2.5L DOHC (1987)
Technical Service Bulletin # 19104
Date: 910326
Valve Seal - Replacement Procedure
March 26, 1991
Model
Group
924S, 944/S/T
1
Part Identifier
Number
1563
9104
Subject:
Valve Seal Replacement
ATTENTION: Service Manager/Service Technician
This bulletin supersedes Technical Bulletin Group 1, Number 8803, Book E, pages 29, 30 and 31.
The information herein is a reprint from the original bulletin with no technical changes.
Models Affected:
924S, 944/S/T
Concern:
Replacement procedure for valve stem seals on valve guides without retaining groove.
Part Numbers:
924S/944
944S
944 Turbo
Valve Guides:
944 104 328 51 944 104 327 51 944 104 328 51 (intake & exhaust)
Valve Stem Seals:
928 104 193 08 928 104 601 00 951 104 195 00
Figure 1
General Information:
Valve guides installed in production in 924S, 944/S/T engines may not have the valve seal retaining groove that
is on all replacement guides (Figure 1). Valve seals must be glued on guides without grooves.
Repair Procedure:
924S/944/944 Turbo (2 valve engines)
Valve stem seals can be replaced with the cylinder head installed.
Work Procedure:
Work Procedure:
1. Turn crankshaft to TDC for cylinder # 1.
2. Loosen camshaft belt tensioner and remove belt from camshaft sprocket.