porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

All Other Service Bulletins for Air Flow Meter/Sensor: > < Engine - Erratic Idle, Loss of Power, or Stalling|Page 2790
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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.

All Other Service Bulletins for Air Flow Meter/Sensor: > < Engine - Erratic Idle, Loss of Power, or Stalling|Page 2790