The service and repair manual for the 1991 Porsche 944 — the 3.0L I4 engine, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Porsche published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1991 |
|---|---|
| Engines | 3.0L I4 — 182 cu in, DOHC |
| Trims | S2 Coupe 2-Door · S2 Convertible 2-Door |
| Federal record | 1 recall · 0 complaints · 75 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 944 manual
03 / ContentsSections in the manual
- Quick Lookups 65
- General Information 1,456
- Electrical 66
- Maintenance 41
- Engine Mechanical 18
- Restraints 69
- Engine Performance 68
- Balance Shaft Sprocket Mounting Bolt 33
- Belt Tensioner Mounting Bolt 33
- Camshaft Housing Mounting Bolt 15
- Camshaft Plug (Aluminum) 30
- Hex Mounting Bolt 33
- Camshaft Bearing Cap Bolt 96
- Transport Clamp-to-Camshaft Housing 96
04 / Known issuesRecalls on federal record for the 1991 944
- Visibility — windshield wiper/washer › motor · 94V088000Failure of the wiper motor results in reduced driver visibility in inclement weather and could resul.
Owners have filed 0 complaints and Porsche has issued 75 technical service bulletins for the 1991 944. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 944 manual
Is this manual specific to the 1991 944?
Yes. It is the OEM manual matched to the 1991 model year, covering the 3.0L I4 across the S2 Coupe 2-Door, S2 Convertible 2-Door trims. Specifications and procedure sequences are the ones Porsche published for this year.
What 1991 944 problems does it help with?
1 recall is on federal record for the 1991 944, covering visibility. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Porsche dealers.
Does it include 1991 944 wiring diagrams?
Yes — the complete wiring diagrams for the 1991 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther 944 years and 1991 Porsche models
1990 944 · 1989 944 · 1988 944 · 1987 944 · 1986 944 · 1985 944 · all 9 years