Modified Knock Detector Availability (05/87-968)

WARNING: This page is about the 9000 S, Automatic, which is a different variant/trim than selected.

Publication date: 1970-01-01
Reference number: 05/87-968

MODIFIED KNOCK DETECTOR AVAILABILITY

TECHNICAL SERVICE BULLETIN

Reference Number(s): 05/87-968, Date of Issue:

MODIFIED KNOCK DETECTOR

APPLICATION

Model(s): 1986-87 Saab 9000

9000 Models with Knock Detectors, EZK Ignition & APC Systems

Issue: 05/87-968

File In: S.I. Man.

Vol: I

Section: B-3

Page: 8

SERVICE INFORMATION

A new knock detector with improved mechanical properties has been introduced into production from Engine No. G122319.

The new knock detector P/N 75-68-801 replaces the earlier type and can be distinguished by being 3.5mm taller and is secured by a longer bolt. See Fig 1 .

Bolt (30mm) 81-25-197

When fitting a new knock detector to earlier cars, the longer bolt (81-25-197) must be installed as well.

TIGHTENING TORQUE 14.7 FT.LB.

EARLY TYPE KNOCK DETECTOR

A new bolt has also been introduced for the early type knock detector. The bolt is the same length as before but is treated with a special blue coating that acts as a thread lock.

Bolt (27mm) 75-62-168

If the early type detector is disturbed for any reason always install a new bolt. Use the torque specification given below.

Tightening torque 10.3 ft.lb.

Fig 1: New Type Knock Detector