Contents Section: Cooling System (mechanical) All sections

Cooling System Specifications GMC Suburban I

BELT ADJUSTMENT

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

BELT ADJUSTMENT

ApplicationSpecification
Coolant Replacement Interval30,000 Miles
Pressure Cap15 psi
Thermostat Opens
Starts188°F (87°C)
Fully Open206°F (97°C)
Coolant Capacity (1)
5.7L
"C" & "K" Series
Except Heavy Duty18.0 (17.0)
Heavy Duty27.0 (25.0)
6.5L Diesel
"C" & "K" Series26.5 (25.0)
7.4L
"C" & "K" Series
Except Heavy Duty24.0 (22.7)
Heavy Duty27.5 (26.0)
(1) Specification is approximate and includes heater capacity.
(1)Specification is approximate and includes heater capacity.

COOLING SYSTEM SPECIFICATIONS