GM Service Manual Online
For 1990-2009 cars only
AG1: Seat Adjuster, Power, 6-way, Driver

AG2: Seat Adjuster, Power, 6-way, Passenger

AJ1: Windows, deep Tint, all Except W/S and DRS

AJ3: Restraint System, SIR Driver

AK5: Restraint System, SIR Driver/Passenger

AQ8: Seat, Temporary For Shipping

AR7: Seat, Front Bucket, Standard

AS5: Seat, Front Bucket, Deluxe

AU0: Lock, Control Remote Entry

AU3: Lock, Control Power

AX4: Restraint Conversion, Manual Seat, European

A07: Window, Body

A08: Window, Body, Right Side

A12: Window, Rear Stationary, Back Door

AU3: Lock Control, Side Door, Electric

A08: Window, Body, Right Side

A12: Window, Rear, Stationary, Back Door

A13: Window, Side Door, Stationary, Rear

A17: Window, Left Body Side, Swing Out

A18: Window, Rear Door, Swing Out

A19: Window, Rear Side Door, Swing Out

A26: Window, European Glazing, All

A31: Window, Power Operated, Side

A86: Modification, Restraint System, Export

BAG: Parts Package, Export

B3D: Equipment, School Bus

B30: Covering, Floor Carpet

B31: Covering, Floor Vinyl, Front

B32: Covering, Front Floor Mats Auxiliary

B33: Covering, Rear Floor Mats, Auxiliary

B38: Covering, Floor Vinyl, Full Mat

B84: Bodyside Molding

C3F: GVW Rating, 7,700 Lbs

C36: Heater, Auxiliary

C42: HVAC System, Heater Deluxe

C49: Defogger, Rear Window, Electric

C5M: GVW Rating 6,100 Lbs

C5Y: GVW Rating 7,100 Lbs

C6A: GVW Rating ,7,300 Lbs

C6P: GVW Rating 8,600 Lbs

C60: Air Conditioning

C69: Air Conditioning, Rear

C7A: GVW Rating, 10, 000 Lbs

C7E: GVW Rating, 11,000 Lbs

C7G: GVW Rating, 11,500 Lbs

C7L: GVW Rating, 12,000 Lbs

C7N: GVW Rating, 12,300 Lbs

DE2: Mirror, Outside, LH & RH, Dirrect Control

DE5: Mirror, Outside, LH & RH, Remote Control, Heated

DF2: Mirror, Outside, Camper Type, Stainless Steel

DH6: Mirror, Inside Sunshade, Illuminated, LH & RH

D28: Mirror, Outside, Delete

D31: Mirror, Inside, Rear View, Tilt

E23: GVW Rating, 9,500 Lbs

E24: Door, Side Cargo, Hinged

GT4: Rear Axle, 3.73 Ratio

GT5: Rear Axle, 4.10 Ratio

GU6: Rear Axle, 3.42 Ratio

G80: Rear Axle, Positraction

HC4: Rear Axle, 4.56 Ratio

JB6: Brake, Power Disc/Drum 7,200 Lbs

JB8: Brake, Power Disc/Drum 10,000 Lbs

JD7: Brake, Hydraulic Power, Disc/Drum, 8,400 Lbs

KC4: Cooling System, Engine Oil

KD1: Cooling System, Transmission Oil , Internal

KL5: Engine Modification, Natural Gas

KW2: Generator, 124 AMP

KXB: Generator, Dual, 100 AMP

K05: Heater, Engine Block

K19: Reactor System, AIR Injection

K34: Cruise Control, Automatic, Electronic

K50: Fuel Tap Fitting (Motorhome)

K60: Generator, 100 AMP

L29: Engine, Gas, 8 Cylinder, 7.4L MFI

L30: Engine, Gas, 8 Cylinder, 5.0L CPI

L31: Engine, Gas, 8 Cylinder, 5.7L CPI

L35: Engine, Gas, 6 Cylinder, 4.3L CPI

L65: Engine, Diesel, 8 Cylinder, 6.5L Turbo

M30: Transmission, Hydra-Matic 4L60-E, 4-Speed Automatic, Electronic

MT1: Transmission, Hydra-Matic 4L80-E, 4-Speed Automatic, Electronic

NA1: Emission, Under 8,500 Lbs GVW

NA4: Emission, Over 8,500 Lbs GVW

NA7: Emission System, European

NB6: Emission System, California

NE7: Fuel Tank, 55 Gallon, (208 Liters)

NC1: Emission System, Federal, Tier 1

NC7: Emission Override, Federal System

NF2: Emission System, Federal, Tier 1

NL1: Fuel Tank, 35 Gallon, (132 Liters)

NM8: Leaded Fuel System Compatible

NN6: Emission Override, Diesel Fuel, Export

NN8: Emission Override, Unleaded Fuel, Export

NP5: Steering Wheel, Leather Wraped

N12: Exhaust System, Rear Exit

N33: Steering Column, Tilt Type

N83: Wheel, 15 x 7.0, Chrome, Styled

N90: Wheel, 15 x 7.0, Aluminum

PNA: Front Door Trim Panels, Uplevel

PNC: All Door Trim Panels, Uplevel

PNF: Interior Trim Panels, Delete

PO6: Trim Rings

Q80: Wheel, Front, 22.5 X 6.75 8 Hole, 275 MM

RO5: Wheel Dual, Rear

TGK: Color Combination, Special Paint, Solid

TR2: Lamp, Turn Signal, Enlarged

TR6: Headlamp Control, Leveling System, Manual

TR9: Lamp Group

T2H: Ornamentation, Exterior, Export Unique Requirements

T62: Lighting, Daytime Running, Delete

T65: Lighting, Daytime Running, Export

T79: Fog Lamp, Rear

T84: Headlamps, Right Hand Rule of Road, E-Mark

T89: Lamp, Tail and Stop, Export

T90: Lamp, Signaling and Marker, Export

UA6: Theft Deterent System

UC2: Speedometer, Instrument, Kilometers & Miles, Kilometer Odometer, Positive Bias

UD4: Alarm, Vehicle Speed, 120 K/H

UJ1: Indicator, System, Brake Warning

UL0: Radio, AM/FM Stereo, Seek/Scan, Auto Reverse Cassette, Music Search

UL5: Radio, Delete

UL2: Radio, European Frequencies

UM6: Radio, AM/FM Stereo, Seek/Scan, Auto Reverse Cassette, Clock, ETR

UM7: Radio, AM/FM Stereo, Seek/Scan, Clock, ETR

UN0: Radio, AM/FM Stereo, Seek/Scan, Compact Disc, Auto Tone

UP0: Radio, AM/FM Stereo, Seek/Scan, Auto Reverse, Music Search, Cassette, Compact Disc Player, Auto Tone

UP8: Radio Provisions For Stereo

UW3: Radio, AM/FM Stereo, Seek/Scan, Auto Reverse, Music Search

UY7: Wiring Harness, Trailer, Heavy Duty

U73: Antenna, Fixed, Radio

U75: Antenna, Power

VD1: Provision Options, Europe

VK3: License Plate Front, Front Mounting Package

VK5: Seat, Temporary, For Shipping

VL4: License Plate Front, Front Mounting Package, EEC

VL5: License Plate, Rear Mounting Package

VR4: Trailer Hitch, Weight Distributing Platform

VR6: Hook, Tie Down

VXS: Vehicle, Complete

VXT: Vehicle, Incomplete

V14: Auxiliary Transmission Oil Cooler

V16: Auxiliary Engine Oil Cooler

V22: Radiator Grille, Chrome

V37: Bumper, Front and Rear, Chrome

V46: Bumper, Front , Chrome

V70: Hook, Tow, Frame Mounted

WX7: Wiring Provisions

XCU: Tire, Front, P215/75R15 B/W

XHA: Tire, Front, P235/75R15 B/W

XHB: Tire, Front, P235/75R15 W/S

XHF: Tire, Front, LT225/75R16/E B/W

XHH: Tire, Front, LT245/75R16/E B/W

XHM: Tire, Front, P235/75R15 RWOL

XHP: Tire, Front, LT225/75R16/D B/W

X88: Nameplate, Chevrolet

YA2: Door, Side Rear, Sliding

YCU: Tire, Rear, P215/75/R15 B/W

YC6: Convenience Package: Decor Level #6

YF2: Sales Package, Ambulance Upfitter

YF7: Sales Package, Recreational Vehicle Upfitter

YG6: HVAC System: Air Conditioning, Not Desired

YHA: Tire, Rear, P235/75R15 B/W

YHB: Tire, Rear, P235/75R15 W/S

YHF: Tire, Rear, LT225/75R16/E B/W

YHH: Tire, Rear, LT245/75R16/E B/W

YHM: Tire, Rear, P235/75R15 RWOL

YHP: Tire, Rear, LT225/75R16/D B/W

ZCU: Tire, Spare, P215/75R15 B/W

ZHA: Tire, Spare, P235/75R15 B/W

ZHB: Tire, Spare, P235/75R15 B/W

ZHF: Tire, Spare, LT225/75R16 B/W

ZHH: Tire, Spare, LT245/75R16 B/W

ZHM: Tire, Spare, P235/75R15 RWOL

ZHP: Tire, Spare, LT225/75R16/D B/W

ZP0: Seating Arrangement, Temporary Driver

ZP3: Seating Arrangement, Fifteen Passenger

ZP5: Seating Arrangement, Five Passenger

ZP8: Seating Arrangement, Eight Passenger

ZW9: Body Equipment, Base Body or Chassis

ZX1: Seating Arrangement, Driver Only, High Back

ZX2: Seating Arrangement, Driver & Passenger, Highback

ZX5: Seating Arrangement, Twelve Passenger

Z88:  Nameplate, GMC

01U: Primary Color, Exterior, Special

14U: Primary Color, Exterior, Light Gray Metalic

17U: Primary Color, Exterior, Silvermist Metallic

2HI: Tire, Front, LT225/75R16/E R/ST ST HWY

25U: Primary Color, Exterior, Cadet Blue Metallic

26G: Trim Combination, Cloth, Navy (G)

26I: Interior Trim, Navy (I)

26W: Trim Combination, Vinyl, Navy (W)

27U: Primary Color, Exterior, Medium Sapphire Blue Metalic

3HI: Tire, Rear, LT225/75R16/E B/W

31U: Fire Mist Green Metallic

35U: Primary Color, Exterior, Yellow

5E6: Nameplate, ABS

5G2: Wheel Color, White

5G4: Provisions, Lamp, Roof Mounted

5H4: Wiring Provisions, Heavy Gage, Extended

5P2: Wheel, Special, Aluminum

5X8: Cylinder Unit, Side Cargo and Rear Door

5Z1: Engine Oil Pan, 5 Quart

5Z5: Hubcaps Deletion

50U: Primary Color, Exterior, Blue White

52G: Trim Combination, Cloth, Light Neutral (G)

52I: Interior Trim, Light Neutral (I)

52W: Trim Combination, Vinyl, Light Neutral (W)

55U: Primary Color, Exterior, Light Autumn Wood Metallic

58U: Primary Color, Exterior, Canyon Yellow Pearl

6L8: Mirror, Outside, Stainless Steel

6M1: Mirror: Outside Rearview, White

6M3: Mirror, Outside LH and RH, Wide Angle

69U: Primary Color, Exterior, Cinnamon Metallic

7Y4: Meter, Engine Hour

7Y9: Battery, 770 CCA, Single

76U: Dark Bronze Mist Metallic

71U: Primary Color, Exterior, Bright Torch Red

79I: Interior Trim, Ruby Red

8E1: Fuel, Additional 3 Gallons

8E3: Bumper, Rear, Painted Black

8E6: Bumper, Rear, Painted

8E8: Bumper, Front, Painted Black

8E9: Bumper, Front, Painted White

8N2: Color Overide, Seat Belt, Orange

8N9: Speaker, Radio Delete

8R2: Valve, Long Stem 3 3/8

8R3: Valve, Metal

8R8: Filter Fuel, Spin Off

8S8: Wiring Provisions, Odometer Security

8T6: Propeller Shaft Zerk Fitting Delete

8U9: Engine Modification, Gas, 6 Cylinder, 4.3L

8X1: Vehicle Label, Fasten Seat Belts

8X9: Vehicle Label, Front End Alignment

9B9: Governor, Electronic Speed Sensor, 70 MPH

9C2: Governor, Electronic Speed Sensor, 65 MPH

9C7: Cap, Coolant Recovery Bottle with Teather

9E9: GVW Rating 8,600 Lbs (SEO)

9F0: HVAC Provisions, Fitting, A/C Quick Disconnect

9F2: Mirror, Outside, Delete

9F8: Mirror, Outside, LH and RH West Coast, Large

9K5: Hub, Painted

9L4: Wiring Provisions, 12 Volt Power Supply

9P1: Compartment, Front Door Stowage, Delete

9S6: Wiring Provisions, Tail Light, Heavy Gage

9T7: Door, Right Hand, Delete

9V5: Color, Woodland Green

9V9: Color, Doeskin Tan

9W2: Color, Polar White

9W3: Color, Wheatland Yellow, Lead Free

9W4: Color, Tangier Orange, Lead Free

92G: Trim Combination, Cloth, Medium Dark Pewter

92I: Interior Trim, Medium Dark Pewter

92W: Trim Combination, Vinyl, Med Dark Pewter