The service and repair manual for the 1988 Porsche 944 — 2.5L I4 and 2.5L I4 and 2.5L I4 engines, 4 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 | 1988 |
|---|---|
| Engines | 2.5L I4 — 151 cu in, DOHC 2.5L I4 — 151 cu in, SOHC, turbocharged 2.5L I4 — 151 cu in, SOHC |
| Trims | S Coupe 2-Door · Turbo S Coupe 2-Door · Base Coupe 2-Door · Turbo Coupe 2-Door |
| Federal record | 1 recall · 5 complaints · 73 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1988 944 manual
03 / ContentsSections in the manual
- Quick Lookups 81
- General Information 1,368
- Accessories & Equipment 41
- Heating, Ventilation & A/C (HVAC) 21
- Brakes 208
- Maintenance 41
- Drivelines & Axles 17
- Restraints 69
- Electrical 113
- Steering 33
- Engine Mechanical 60
- Suspension 34
- Engine Performance 294
- Transmission 25
- Application Ft. Lbs (N.m) 911
- Carrera & 911
- Turbo 54
04 / Known issuesRecalls on federal record for the 1988 944
- Suspension — front › control arm › lower arm · 89V133000A-arm breakage could cause loss of control which couldresult in an accident.
Owners have filed 5 complaints and Porsche has issued 73 technical service bulletins for the 1988 944. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1988 944 manual
Is this manual specific to the 1988 944?
Yes. It is the OEM manual matched to the 1988 model year, covering the 2.5L I4 and 2.5L I4 and 2.5L I4 across the S Coupe 2-Door, Turbo S Coupe 2-Door, Base Coupe 2-Door, Turbo Coupe 2-Door trims. Specifications and procedure sequences are the ones Porsche published for this year.
What 1988 944 problems does it help with?
1 recall is on federal record for the 1988 944, covering suspension. 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 1988 944 wiring diagrams?
Yes — the complete wiring diagrams for the 1988 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 1988 Porsche models
1991 944 · 1990 944 · 1989 944 · 1987 944 · 1986 944 · 1985 944 · 1984 944 · 1983 944 · all 9 years
1988 Porsche 911 · 1988 Porsche 924 · 1988 Porsche 928 · every 1988 model