Engine Cooling System Specifications & Drive Belt Routing

MODEL IDENTIFICATION - CARS

Body Code (1)	Model
"C"	Park Avenue
"E"	Eldorado
"F"	Camaro & Firebird
"G"	Aurora & Riviera
"H"	Bonneville, & LeSabre
"J"	Cavalier & Sunfire
"K"	DeVille & Seville
"M"	Metro & Firefly (Canadian)
"N"	Alero, Grand Am & Malibu
"S"	Prizm
"V"	Catera
"W"	Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal
"Y"	Corvette
"Z"	Saturn
(1) Vehicle body code is fourth character of VIN.

(1)	Vehicle body code is fourth character of VIN.

MODEL IDENTIFICATION - CARS

MODEL IDENTIFICATION - TRUCKS

Series (1)	Model
"A"	2WD Aztek
"B"	4WD Aztek
"C"	2WD Pickup, Sierra, Silverado, Suburban, Tahoe & Yukon
"E"	2WD Tracker
"G"	Cutaway, Express, G-Van & Savana
"J"	4WD Tracker
"K"	4WD Pickup, Sierra, Silverado, Suburban, Tahoe, Yukon & AWD Escalade
"L"	AWD Astro & Safari
"M"	2WD Astro & Safari
"S"	2WD Blazer, Envoy, Jimmy, Pickup & Sonoma
"T"	4WD Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma
"U"	Montana, Silhouette, Trans Sport & Venture
(1) Vehicle series is fifth character of VIN.

(1)	Vehicle series is fifth character of VIN.

MODEL IDENTIFICATION - TRUCKS

CAUTION

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

BELT ADJUSTMENT - CARS

Application			Specification
Serpentine Belt			(1) 30-50 Lbs. (13.6-22.7 kg.)
Deflection @ 22 Lbs. (10.0 kg.)
Except Serpentine Belt
Metro & Firefly (Canadian)
A/C Compressor & Power Steering Pump			.28-.35" (7.0-9.0 mm)
Generator			.24-.31" (6-8 mm)
(1) Serpentine belt is automatically adjusted by tensioner. Tension is checked with belt tension gauge. If tension is not as specified, check belt length and tensioner operating range. Replace belt or tensioner as necessary.

(1)	Serpentine belt is automatically adjusted by tensioner. Tension is checked with belt tension gauge. If tension is not as specified, check belt length and tensioner operating range. Replace belt or tensioner as necessary.

BELT ADJUSTMENT - CARS

BELT ADJUSTMENT - TRUCKS

Application	(1) Lbs. (kg)
All Models	(1)
(1) Serpentine belt tension is maintained automatically by a spring-tensioned idler pulley. No adjustment is necessary.

(1)	Serpentine belt tension is maintained automatically by a spring-tensioned idler pulley. No adjustment is necessary.

BELT ADJUSTMENT - TRUCKS

COOLING SYSTEM SPECIFICATIONS - CARS

Application				Specification
Coolant Replacement Interval
Except Metro, Firefly (Canadian) & Prizm				60 Months Or 150,000 Miles
Metro & Firefly (Canadian)				30 Months Or 30,000 Miles
Prizm				24 Months Or 30,000 Miles
Coolant Capacity (1)
1.0L				3.9 Qts. (4.1L)
1.3L
M/T				4.9 Qts. (4.4L)
A/T				5.0 Qts. (4.7L)
1.8L
Prizm
A/T				6.0 Qts. (5.7L)
M/T				6.1 Qts. (5.8L)
1.9L				7.0 Qts. (6.6L)
2.2L
"J" Body				9.6 Qts. (9.1L)
"Z" Body				7.4 Qts. (7.0L)
2.4L
"J" Body				9.9 Qts. (9.4L)
"N" Body				11.3 Qts. (10.7L)
3.0L
Except "Z" Body				10.0 Qts. (9.5L)
"Z" Body				7.8 Qts. (7.3L)
3.1L
"N" Body				13.1 Qts. (12.4L)
"W" Body				11.0 Qts. (10.4L)
3.4L				13.6 Qts. (12.9L)
3.5L				10.0 Qts. (9.5L)
3.8L Except "F", "H" & "W" Bodies				13.0 Qts. (12.3L)
"F" Body
A/T				12.3 Qts. (11.6L)
M/T				12.5 Qts. (11.8L)
"H" Body				10 Qts. (9.5L)
"W" Body				10.1 Qts. (9.6L)
4.0L				13.0 Qts. (12.3L)
4.6L Except "E" & "K" Body				10.7 Qts. (10.0L)
"E" & "K" Bodies				12.5 Qts. (11.8L)
5.7L
"F" Body
A/T				15.1 Qts. (14.3L)
M/T				15.3 Qts. (14.5L)
"Y" Body
A/T				12.3 Qts. (11.6L)
M/T				12.6 Qts. (11.9L)
Pressure Cap
"F" Body				18 psi
Metro & Firefly (Canadian)				13 psi
Prizm				13 psi
Saturn				15 psi
All Others				(2) 15 psi
Thermostat
Metro & Firefly (Canadian)
Starts To Open				190-197°F (88-92°C)
Fully Opens				212-221°F (100-105°C)
Prizm
Starts To Open				176-183°F (80-84°C)
Fully Opens				203°F (95°C)
Saturn
Starts To Open				182-190°F (83-88°C)
Fully Open				212-222°F (100-106°C)
All Others
Starts To Open				189°F (87°C)
Fully Opens				207°F (97°C)
(1) Specification is approximate and includes heater capacity. (2) Or specification stamped on cap.

(1)	Specification is approximate and includes heater capacity.

(2)	Or specification stamped on cap.

COOLING SYSTEM SPECIFICATIONS - CARS

COOLING SYSTEM SPECIFICATIONS - TRUCKS

Application				Specification
Coolant Replacement Interval
Except Tracker				60 Months Or 150,000 Miles
Tracker				30 Months Or 30,000 Miles
Pressure Cap
Except Tracker				15 psi
Tracker				13 psi
Thermostat Opens
Except Tracker
Starts				188°F (87°C)
Fully Open				206°F (97°C)
Tracker
Starts				179°F (82°C)
Fully Open				203°F (95°C)
Coolant Capacity (1)
1.6L				6.9 Qts. (6.5L)
2.0L				5.8 Qts. (5.5L)
2.2L
A/T				9.7 Qts. (9.2L)
M/T				9.9 Qts. (9.4L)
2.5L				8.5 Qts. (8.0L)
3.4L
Standard
With Rear Heater				11.9 Qts. (11.3L)
Without Rear Heater				9.6 Qts. (9.0L)
Heavy Duty
With Rear Heater				13.2 Qts. (12.5L)
Without Rear Heater				10.5 Qts. (9.9L)
4.3L
"C" & "K" Series
A/T				12.7 Qts. (12.0L)
M/T				13.0 Qts. (12.3L)
"G" Series
With Rear Heater				14.0 Qts. (13.2L)
Without Rear Heater				11.0 Qts. (10.5L)
"L" & "M" Series
With Rear Heater				16.5 Qts. (15.5L)
Without Rear Heater				14.3 Qts. (12.8L)
"S" & "T" Series
A/T				11.7 Qts. (11.1L)
M/T				11.9 Qts. (11.3L)
4.8L
A/T				13.4 Qts. (12.7L)
M/T				13.7 Qts. (13.0L)
5.0L
With A/C				20.0 Qts. (18.9L)
Without A/C				17.0 Qts. (16.0L)
5.3L
With A/C				14.9 Qts. (14.1L)
With Rear A/C				15.8 Qts. (15.0L)
Without A/C				13.4 Qts. (12.7L)
5.7L
Standard
With A/C				20.0 Qts. (19.0L)
Without A/C				17.5 Qts. (16.6L)
Heavy Duty
With A/C				27.0 Qts. (25.5L)
Without A/C				26.4 Qts. (25.0L)
6.0L
A/T
With Oil Cooler				14.4 Qts. (13.6L)
Without Oil Cooler				14.8 Qts. (14.0L)
M/T
With Oil Cooler				14.8 Qts. (14.0L)
Without Oil Cooler				15.2 Qts. (14.4L)
6.5L				27.5 Qts. (26.0L)
6.6L
A/T				20.3 Qts (19.2L)
M/T				20.7 Qts. (19.6L)
7.4L
Standard
With A/C				27.5 Qts. (26.0L)
Without A/C				25.0 Qts. (23.7L)
Heavy Duty
With A/C				28.5 Qts. (27.0L)
Without A/C				26.4 Qts. (25.0L)
8.1L
A/T				20.7 Qts. (19.6L)
M/T				21.1 Qts. (20.0L)
(1) Specification is approximate and includes heater capacity.