Vehicle - Required Maintenance: Overview
88porsche09Subject: Maintenance Requirements - M.Y. 1989
Model
All
Group
0
Part Identifier
03..
Number
8803
November 4, 1988
This Technical Bulletin contains the maintenance schedules for 1989 Porsche Models 944, 944 Turbo, 911, 911 Turbo, and 928 S4. Suggested repair times for these operations are also included.
Important changes in the maintenance schedules for M.Y. '89 are listed below:
Changes
- First service is now at 2,000-2,500 miles.
- Required every 45,000 miles - Replace camshaft belt on 4 cylinder cars.
- Required every 60,000 miles - Replace camshaft belt on 928 S4.
Additional Operations to 2000-2500 Mile Service
- Front axle toe check (all models) (A warranty claim is to be filed if adjustment is required.)
- Check operation of convertible top (911, 911 Turbo)
- Diagnosis system - Readout fault memory and perform system adaption (928 S4 all services).
Deleted Operations from 2000-2500 Mile Service
- Check and correct rear wheel bearing play (911 Turbo and Turbo-look).
- Check tightness of rocker shaft seats (911 and 911 Turbo).
- Engine idling test (928 S4).