Contents Section: Cooling System (mechanical) All sections

Cooling System Specifications GMC Vandura I

THERMOSTAT

All models use a thermostat that starts to open at 195°F (91°C), and is fully open at 222°F (106°C).

PRESSURE CAP

All models use a 15 psi (1.0 kg/cm 2 ) pressure cap which should be tested at 14-17 psi (.9-1.2 kg/cm 2 ).

WATER PUMP

Water pump is serviced only as an assembly.

MAINTENANCE

Inspect cooling system every 12 months or 15,000 miles. Drain and flush cooling system every 24 months or 30,000 miles. Maintain coolant level with a 50% mixture of ethylene glycol based anti-freeze and low mineral content water year-around.

ApplicationQuarts (L)
1.9L Engines9.4 (8.9)
2.0L Engines9.6 (9.2)
2.8L Engines12.0 (11.5)
4.1L Engines
Van Models17.0 (16.1)
All Other Models15.5 (14.7)
4.8L Engines
"P" Models13.8 (13.1)
All Other Models15.5 (14.7)
5.0L & 5.7L Engines
"P" Models
With A/C19.2 (18.0)
Without A/C15.6 (14.8)
Van Models
With A/C20.0 (19.0)
Without A/C19.0 (18.0)
All Other Models
With A/C18.0 (17.1)
Without A/C17.5 (16.6)
6.2L Engines (Diesel)
With A/C24.5 (23.3)
Without A/C23.0 (21.7)
7.4L Engines
With A/C24.5 (23.3)
Without A/C23.0 (21.7)

COOLANT CAPACITY