Contents Wiring diagrams Section: General Servicing - All Makes All sections

HVAC System - Compressor Servicing: Other GMC Envoy I

BODY DESIGNATIONS

Model(1) Body Designation
Achieva, Cutlass, Grand Am, Malibu & Skylark"N" Body
Aurora & Riviera"G" Body
Bonneville, Eighty Eight LeSabre, LSS & Regency"H" Body
Camaro & Firebird"F" Body
Catera"V" Body
Cavalier & Sunfire"J" Body
Century, Grand Prix, Intrigue, Lumina, Monte Carlo & Regal"W" Body
Concours, DeVille & Seville"K" Body
Corvette"Y" Body
Eldorado"E" Body
Metro & Firefly (Canadian)"M" Body
Park Avenue"C" Body
Prizm"S" Body
Saturn"Z" Body
(1) Body codes are determined by fourth character of VIN code.
(1)Body codes are determined by fourth character of VIN code.

BODY DESIGNATIONS (CARS)

Model(1) Body Designation
Astro & Safari
2WD"M" Series
4WD"L" Series
Blazer, Bravada, Jimmy, Pickup & Sonoma
2WD"S" Series
4WD"T" Series
Commercial Van & Chassis"P" Series
Express, G-Van & Savanna (Van)"G" Series
Pickup, Sierra, Suburban Tahoe & Yukon
2WD"C" Series
4WD"K" Series
Tracker"J" Series
Silhouette, Trans Sport & Venture"U" Series
(1) Series codes are determined by fifth character of VIN code.
(1)Series codes are determined by fifth character of VIN code.

BODY DESIGNATIONS (LIGHT TRUCKS & VANS)

SHAFT SEAL

Note. It is not necessary to replace shaft seal because of a small amount of oil found on adjacent surfaces. A small amount of oil is normal for lubrication purposes. Shaft seal should only be replaced after a confirmed refrigerant leak is found.