1991 Pontiac Grand Prix Service and Repair Manual

4.7 · Trusted by 14,000+ mechanics & DIYers
Regular price $29.99 USD
  • Lightning-Fast Downloads
    Optimized files — even slow connections handle it
  • Instant Search & Navigation
    Jump to any procedure or spec with one click
  • Print One or All Pages
    Bring only the pages you need to the shop
  • Covers Every System & Component
    Every procedure for the 1991 Pontiac Grand Prix
Sample Preview

Unlock the Full Manual

Complete repair procedures
Wiring diagrams & schematics
Torque specifications
Full search & bookmarks
$29.99
Buy 2+ Manuals, Save 20% Discount applied automatically at checkout
20% OFF
Secure Checkout
No Subscriptions
Factory-Grade Data

1991 Pontiac Grand Prix service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • LE Sedan 4-Door
  • SE Coupe 2-Door
  • STE Sedan 4-Door
  • SE Sedan 4-Door
  • GT Coupe 2-Door

Engines covered

  • 2.3L 138Cu. In. l4 GAS DOHC Naturally Aspirated
  • 3.1L 189Cu. In. V6 GAS OHV Naturally Aspirated
  • 3.4L 207Cu. In. V6 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Vehicle Safety Data

1991 Pontiac Grand Prix Recalls & Complaints

NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

NHTSA #92V18200015/12/1992Component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

THE FOG LAMPS, LOW BEAM HEADLAMPS, AND HIGH BEAM HEADLAMPS CAN BE OPERATED SIMULTANEOUSLY. THIS CAN CAUSE THE HEADLAMP CIRCUIT BREAKER TO OVERLOAD AND TRIP, RESULTING IN LOSS OF HEADLAMPS (LOW AND HIG

Consequence

LOSS OF HEADLAMPS WITHOUT PRIOR WARNING REDUCES DRIVERVISIBILITY IN INCLEMENT WEATHER CONDITIONS OR

Remedy

INSTALL NEW FOG LAMP RELAYS, NEW CIRCUIT BREAKERS AND NEW CIRCUIT BREAKER TERMINALS. ALSO, MODIFY TH

NHTSA #07E02100012/03/2007Component: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNI

Consequence

FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.

Remedy

DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007.

NHTSA #00V18900011/07/2000Component: STRUCTURE

VEHICLE DESCRIPTION: PASSENGER VEHICLES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA,

Consequence

IF BOTH BOLTS PULL THROUGH, THE FRONT OF THE CRADLE WOULD NO LONGER BE SUPPORTED AT THE MOUNTING LOC

Remedy

DEALERS WILL REPLACE THE FRONT AND REAR FRAME/CRADLE BOLTS AND RETAINERS.

NHTSA #92V00300010/01/1992Component: SEAT BELTS

THE FRONT DOOR SHOULDER BELT GUIDE LOOPS MAY BE CRACKED AND ARE NOT IN COMPLIANCE WITH FMVSS 208.

Consequence

THE SEAT OCCUPANT FACES INCREASED RISK OF INJURY IN THEEVENT OF A SUDDEN STOP OR ACCIDENT.

Remedy

INSTALL REINFORCING PLATES ON THE CRACKED SHOULDER BELT GUIDES.

NHTSA #97V05800008/04/1997Component: STRUCTURE

VEHICLE DESCRIPTION: PASSENGER VEHICLES AND MINI VANS ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE,

Consequence

IF THIS WERE TO OCCUR WHILE THE VEHICLE WAS IN MOTION, A VEHICLE CRASH COULD RESULT.

Remedy

DEALERS WILL REPLACE THE REAR CRADLE BOLTS AND RETAINERS.

TSB #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #615073

SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT RE

TSB #6088680

CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT

TSB #51353

EXCESSIVE OIL CONSUMPTION (REPLACE PCV HARNESS). *TW

TSB #51497

COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW

TSB #50571

COLD START RATTLE NOISE. *TW

TSB #39308

COLD START RATTLE NOISE. *TW

TSB #39072

ABS WARNING LIGHT IS ON. *TW

Showing the 8 most recent of 10 technical service bulletins on file with NHTSA.

20021227Component: STRUCTURE:FRAME AND MEMBERSCrash reported3 injured

DRIVER SWERVED TO AVOID A DEER, VEHICLE STARTED SWAYING. DRIVER LOST CONTROL OF VEHICLE, VEHICLE ROLLED A FEW TIMES. THE WASHER OF A RUSTY K FRAME BOLT WAS MISSING. VEHICLE WAS TOTALED. TS

19950627Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported2 injured

DRIVER'S SEATBACK BROKE UPON BEING REAR ENDED 40-50 MPH. TT

20020107Component: STEERING: STEERING WHEEL/HANDLE BARCrash reported1 injured

STEERING WHEEL LOCKED UP WHILE DRIVING 40-50 MPH. THIS CAUSED VEHICLE TO ROLLOVER, RESULTING IN MINOR INJURIES. *AK*JG

20001008Component: SERVICE BRAKES, AIR:ANTILOCKCrash reported1 injured

I ENTERED MY AUTO ON THE EVENING OF 10/4/00 AT 8:10PM AND TURNED KEY TO START. I DID NOT AT ANY TIME DEPRESS GAS PEDAL. AFTER ENGINE STARTED, I ALLOWED RPM'S TO SETTTLE DOWN AND PUT MY FOOT ON THE B

20001008Component: VEHICLE SPEED CONTROLCrash reported1 injured

I ENTERED MY AUTO ON THE EVENING OF 10/4/00 AT 8:10PM AND TURNED KEY TO START. I DID NOT AT ANY TIME DEPRESS GAS PEDAL. AFTER ENGINE STARTED, I ALLOWED RPM'S TO SETTTLE DOWN AND PUT MY FOOT ON THE B

Showing the 5 most serious of 242 complaints filed with NHTSA.

All Model Years

Other Years of the Pontiac Grand Prix

Need a manual for a different year? Browse every Pontiac Grand Prix we cover.

Explore More

More Pontiac Models

Browse service and repair manuals for other Pontiac models in our catalog.