1988–1991 Porsche 928 S4
Common problems, technical service bulletins, fluid specs and labor times — verified for your car.
Top Problems (5)
Leaking Oil Pump
high
Faulty Ignition Coil
medium
Faulty Fuel Injector
medium
Active Service Bulletins
9810 — CELETTE Collision Repair Systems (9701)
Quick Lookups
9802 — Warranty Claims On Batteries (9802)
Quick Lookups
9407 — Paint - Manual Supplements
Technical Service Bulletins
9201 — Technical Information Books - Available Stock Listing
Technical Service Bulletins
9102 — Techincal Information Booklets - Current Availability
Technical Service Bulletins
Key Fluid Specs
| Spec | Value |
|---|---|
| Total Capacity | 280 |
| Refrigerant Oil Type | Texaco Cappella E; Suniso No. 5; or equivalent |
| Total Capacity | Less Rear A/C |
| Refrigerant Type | R-12 |
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