911 Carrera 4 Cabriolet AWD F6-3600cc 3.6L SOHC (1990)
Heat Shield: All Technical Service Bulletins
Heat Shield Mounting Bolts - Seized
October 30, 1990
Subject:
Underside Protective Plates and
Heat Shield Mounting
Model
Group
911 C2/C4
1
Part Identifier
Number
1080
9018
ATTENTION: Service Manager/Service Technician
Models Affected:
911 Carrera 2 and 911 Carrera 4
Concern:
Underside protective plates and/or exhaust system heat shield mounting bolts frozen.
Service Information:
The mounting bolts can seize and make removal difficult when removing protective plates and heat shields.
Once the mounting bolts are removed, a coat of Optimoly HT, Part Number 000 043 004 00 should be applied
to the bolt or nut threads to avoid seizing and ease future removal.
Caution:
Part numbers given in this bulletin are for reference only. Always check with your Parts Department for the
latest parts information.