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Engine Coolant Specifications: Maintenance

Periodic maintenance is necessary for extended cooling system and engine life, because engine and cooling system are made of different metals. Changing the coolant at scheduled maintenance periods reduces electrolysis and removes sediments.

COOLING SYSTEM APPLICATION CHART

APPLICATION PRESSURECAP PSI COOLANT CAPACITY THERMOS °F(°C) TAT OPEN°F(°C) COOLING °F(°C) FAN °F(°C)
Cabriolet 17-21 5.1 (4.8) 185 (85) 221 (105) 203 (94) (1) 189 (86) (1)
Golf, GTI & Fox 17-21 7.3 (6.9) 185 (85) 221 (105) 203 (94) (1) 189 (86) (1)
Jetta (All) 17-21 7.3 (6.9) 185 (85) 221 (105) 203 (94) (1) 189 (86) (1)
Scirocco 17-21 5.1 (4.8) 185 (85) 221 (105) 203 (94) (1) 189 (86) (1)
Quantum 4-Cyl 17-19 6.3 (6.0) 185 (85) 221 (105) 203 (94) 195 (86)
Quantum 5-Cyl 17-19 8.6 (8.1) 189 (87) 216 (102) 202 (94) (1) 190 (87) (1)
Vanagon 17-21 18.5 (17.5) 185 (85) 221 (105) 197 (91) (2) 98 (18) (2)
(1) Two pole switch specification are given. Three pole switch first stage comes on at 198-208°F (92-98°C), and tuns off at 183-196°F (84-91°C). Second stage will come on at 210-221°F (99-105°C), and goes off at 196-219°F (91-104°C).
(2) First stage is given. Second stage comes on at 203-212°F (94-99°C), and goes off at 188°F (87°C).