Engine - Intake Manifold Bolt/Nut Torque Revision
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NO.: TSB-92-15-001
DATE: March, 1992
MODEL: 1992 Expo LRV
SUBJECT:
INTAKE MANIFOLD
BOLT/NUT TIGHTENING TORQUE -
SERVICE MANUAL REVISION
TSB Revision TSB-92-15-001
PURPOSE
This Technical Service Bulletin revises the intake manifold bolt/nut tightening torque for the 4G9 (1834cc) engine. The 4G9 engine is currently used on the Expo LRV
As a reference to this TSB, write the TSB revision number in the TSB Revision box located at the bottom of each affected service manual page.
SERVICE MANUALS AFFECTED
1992 Expo/Expo LRV, Volume 1, Page 15-4. 1992 Engine Overhaul Manual, Pages 11D-9 and 11D-22.
DESCRIPTION
To ensure proper tightening of the intake manifold, the intake manifold bolt/nut tightening torque has been increased to 20 N-m (14.5 ft.lbs.). Previously, the intake manifold bolt/nut tightening torque was 18 N-m (13 ft.lbs.).
Please revise the service manual pages as shown in the following examples.
1992 Expo/Expo LRV, Volume 1, Page 15-4.