Engine Cooling System Specifications & Drive Belt Routing

MODEL IDENTIFICATION

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
"N"	Alero, Grand Am & Malibu
"S"	Prizm
"V"	Catera
"W"	Century, Grand Prix, Impala, Intrigue, Monte Carlo & Regal
"Y"	Corvette
"J"	Saturn "L"
"Z"	Saturn "S"
(1) Vehicle body code is fourth character of VIN.

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

MODEL IDENTIFICATION - CARS

Series (1)	Model
"A"	2WD Aztek
"B"	4WD Aztek & Rendezvous
"C"	2WD Avalanche, Escalade, Sierra, Silverado, Suburban, Tahoe & Yukon
"E"	2WD Tracker
"G"	Cutaway, Express, G-Van & Savana
"J"	4WD Tracker
"K"	4WD Avalanche, Escalade, Sierra, Silverado, Suburban, Tahoe, Yukon & AWD Escalade
"L"	AWD Astro & Safari
"M"	2WD Astro & Safari
"S"	2WD Blazer, Bravada, Envoy, Jimmy Canadian, S10 Pickup, Sonoma & Trailblazer
"T"	4WD Blazer, Bravada, Envoy, Jimmy Canadian, S10 Pickup, Sonoma & Trailblazer
"U"	Montana, Silhouette, Trans Sport & Venture
Saturn Vue
(1) Vehicle series is fifth character of VIN.

(1)	Vehicle series is fifth character of VIN.

MODEL IDENTIFICATION - TRUCKS

BELT ADJUSTMENT

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.

Application			Specification
Serpentine Belt			(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 - CARS

Application			(1) In. (mm)
All Models Except Tracker			(1)
Deflection @ 22 Lbs. (10.0 kg.)
Tracker
2.0L Cooling Fan
New			0.16-0.20 (4-5)
Used			0.20-0.27 (5-7)
2.5L
Cooling Fan			0.35-0.43 (9-11)
A/C & P/S			0.16-0.35 (4-9)
(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

SERPENTINE BELT ROUTING & ALIGNMENT

Note. For serpentine belt routing, see underhood label or refer to appropriate illustrations. (Scheme 1)- (Scheme 29).

Scheme 1

Scheme 1: 1.8L Prizm

Scheme 2

Scheme 2: 1.9L Saturn

Scheme 3

Scheme 4

Scheme 4: 2.0L Tracker

Scheme 5

Scheme 6

Scheme 6: 2.2L (L61) Alero, Cavalier & Grand Am

Scheme 7

Scheme 7: 2.2L (LN2) Cavalier & Sunfire

Scheme 8

Scheme 9

Scheme 9: 2.2L "S" Pickup

Scheme 10

Scheme 10: 2.2L Sonoma

Scheme 11

Scheme 11: 2.4L Cavalier & Sunfire

Scheme 12

Scheme 12: 2.5L Tracker

Scheme 13

Scheme 13: 3.1L Century & Grand Prix, & 3.4L Impala & Monte Carlo

Scheme 14

Scheme 14: 3.1L Malibu & 3.4L Alero, Aztek, Grand Am, Malibu, Montana, Rendezvous, Silouhette & Venture

Scheme 15

Scheme 15: 3.5L Aurora & Intrigue

Scheme 16

Scheme 16: 3.8L Bonneville, Grand Prix, Impala, LeSabre, Monte Carlo, Park Avenue & Regal

Scheme 17

Scheme 17: 3.8L Camaro & Firebird

Scheme 18

Scheme 18: 4.0L Aurora & 4.6L Deville, Eldorado & Seville

Scheme 19

Scheme 19: 4.2L Bravada, Envoy & Trail Blazer

Scheme 20

Scheme 20: 4.3L, 5.0L & 5.7L Trucks - All Models

Scheme 21

Scheme 21: 4.8L, 5.3L & 6.0L Trucks - All Models

Scheme 22

Scheme 22: 5.7L Camaro & Firebird

Scheme 23

Scheme 23: 5.7L Corvette

Scheme 24

Scheme 24: 6.5L Turbo-Diesel Express & Savana

Scheme 25

Scheme 26

Scheme 26: 6.6L Turbo-Diesel Sierra & Silverado

Scheme 27

Scheme 28

Scheme 28: 8.1L Express & Savana

Scheme 29

Scheme 29: 8.1L Sierra, Silverado, Suburban & Yukon XL

Application				Specification
Coolant Replacement Interval
Except Prizm				60 Months Or 150,000 Miles
Prizm				24 Months Or 30,000 Miles
Coolant Capacity (1)
1.8L
Prizm
A/T				6.4 Qts. (5.7L)
M/T				6.6 Qts. (5.8L)
1.9L				7.0 Qts. (6.6L)
2.2L
"J" Body
DOHC				8.6 Qts. (8.1L)
SOHC				10.2 Qts. (9.7L)
"N" Body				8.6 Qts. (8.1L)
Saturn "L" Series & Vue A/T				7.3 Qts. (6.9L)
Vue M/T				7.4 Qts. (7.0L)
2.4L
"J" Body				9.9 Qts. (9.4L)
3.0L
Saturn "L" Series & Vue				7.8 Qts. (7.3L)
3.1L
"N" Body				13.6 Qts. (12.9L)
"W" Body
Century				11.3 Qts. (10.7L)
Grand Prix				11.0 Qts. (10.4L)
3.4L
Grand Am				13.6 Qts. (12.9L)
Impala & Monte Carlo				11.3 Qts. (10.7L)
3.5L				10.0 Qts. (9.5L)
3.8L
"C" Body				13.0 Qts. (12.3L)
"F" Body
A/T				11.4 Qts. (10.8L)
M/T				11.6 Qts. (11.0L)
"H" Body				10 Qts. (9.5L)
"W" Body				5.3 Qts. (5.0L)
Grand Prix				11.2 Qts. (10.6L)
Impala & Monte Carlo				11.7 Qts. (11.1L)
4.0L				13.0 Qts. (12.3L)
4.6L
DeVille & Seville				13.0 Qts. (12.3L)
Eldorado				12.5 Qts. (11.8L)
5.7L
"F" Body
A/T				11.8 Qts. (11.2L)
M/T				11.9 Qts. (11.3L)
"Y" Body				12.6 Qts. (11.9L)
Pressure Cap
Prizm				13 psi
Saturn
"L" Series 2.2L & Vue				13-17 psi
"L" Series 3.0L				20-21 psi
"S" Series				13-17 psi
All Others				(2) 15 psi
Thermostat
Prizm
Starts To Open				176-183°F (80-84°C)
Fully Opens				203°F (95°C)
Saturn
"L" Series & Vue
Starts To Open				194°F (90°C)
"S" Series
Starts To Open				182-190°F (83-88°C)
Fully Open				212-222°F (100-106°C)
All Others
Starts To Open				195°F (91°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

Application				Specification
Coolant Replacement Interval
Except Tracker				60 Months Or 150,000 Miles
Tracker				30 Months Or 30,000 Miles
Coolant Capacity (1)
2.0L				6.9 Qts. (6.5L)
2.2L				9.9 Qts. (9.4L)
2.5L				8.5 Qts. (8.0L)
3.4L
"A" & "B" Series
With Rear Heater				9.6 Qts. (9.0L)
"U", "V" & "X" Series
With Rear Heater				11.9 Qts. (11.3L)
Without Rear Heater				9.6 Qts. (9.0L)
4.2L				13.9 Qts. (13.2L)
4.3L
"C" & "K" Series
A/T				12.6 Qts. (11.9L)
M/T				12.9 Qts. (12.2L)
"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				13.5 Qts. (12.8L)
"S" & "T" Series
A/T				13.8 Qts. (13.1L)
M/T				14.1 Qts. (13.3L)
4.8L
Sierra & Silverado
A/T				13.4 Qts. (12.7L)
M/T				13.7 Qts. (13.0L)
Tahoe & Yukon
With Rear A/C				15.8 Qts. (15.0L)
Without Rear A/C				14.4 Qts. (13.6L)
5.0L
With Rear Heater				20.0 Qts. (18.9L)
Without Rear Heater				17.0 Qts. (16.0L)
5.3L
Avalanche				16.5 Qts. (15.6L)
Escalade				18.6 Qts. (17.6L)
Sierra & Silverado
With A/C				14.9 Qts. (14.1L)
Without A/C				13.4 Qts. (12.7L)
Suburban, Tahoe & Yukon
With Rear A/C				15.8 Qts. (15.0L)
Without A/C				14.4 Qts. (13.6L)
5.7L
Standard
With Rear Heater				20.0 Qts. (18.9L)
Without Rear Heater				17.5 Qts. (16.6L)
6.0L
Escalade				19.0 Qts. (17.9L)
Sierra & Silverado
A/T With Oil Cooler				14.4 Qts. (13.6L)
A/T Without Oil Cooler				14.8 Qts. (14.0L)
M/T With Oil Cooler				14.8 Qts. (14.0L)
M/T Without Oil Cooler				15.2 Qts. (14.4L)
Suburban & Yukon
With Oil Cooler				15.4 Qts. (14.6L)
Without Oil Cooler				15.8 Qts. (15.0L)
6.5L				N/A
6.6L
A/T				20.3 Qts (19.2L)
M/T				20.7 Qts. (19.6L)
8.1L
Avalanche				24.0 Qts. (22.7L)
"C" & "K" Series Except Avalanche
A/T				20.7 Qts. (19.6L)
M/T				21.1 Qts. (20.0L)
"G" Series
With Rear Heater				26.0 Qts. (24.6L)
Without Rear Heater				23.0 Qts. (21.8L)
Pressure Cap
Except Tracker				15 psi
Tracker				13 psi
Thermostat Opens
Diesel
6.5L
Starts				185°F (85°C)
6.6L
Front Starts				180°F (82°C)
Front Fully Open				203°F (95°C)
Rear Starts				185°F (85°C)
Front Fully Open				212°F (100°C)
Gasoline Except Tracker
Starts				195°F (91°C)
Tracker
Starts				179°F (82°C)
Fully Open				203°F (95°C)
(1) Specification is approximate and includes heater capacity.

(1)	Specification is approximate and includes heater capacity.

COOLING SYSTEM SPECIFICATIONS - TRUCKS

Engine Cooling System Specifications & Drive Belt Routing Buick LeSabre VIII