Climate Control - Unnecessary Replacement of Parts: Overview

91porsche05

November 22, 1991


Model Group

911 C2/4 8
911 turbo

Part Identifier Number

8702 9105


ATTENTION: Service Manager/Service Technician

Models Affected: 911 Carrera 2/4, All Model Years 911 turbo, Model Year '91 (M)


Concern: Unnecessary replacement of climate control units.

General Information: Parts testing revealed no defects on a high number of climate control units replaced for A/C-heater problems.

Most faults stored are in the perimeter and therefore cannot be repaired by replacing the contol unit The only exception: inside temperature sensor code 11.


TROUBLESHOOTING: