volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Radiator Cooling Fan Temperature Sensor / Switch|Specifications|Page 1436 > < MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke|Page 1432
Page 1
background image

Radiator Cooling Fan Temperature Sensor / Switch: Specifications

COMPRESSION PRESSURE

Optimum ..................................................................................................................................................................................  131-174 psi (9-12 bar)
Wear Limit ............................................................................................................................................................................................  102 psi (7 bar)
Max Difference Between Cylinders ........................................................................................................................................................  44 psi (3 bar)

COOLING SYSTEM

Antifreeze Protection (50/50) ..............................................................................................................................................................  -30° F (-35° C)
Pressure Cap Relief ................................................................................................................................................................  17-19 psi (1.2-1.35 bar)
Thermostat Opening Temperature

Begins .........................................................................................................................................................................................  189° F (87° C)
Fully Open ................................................................................................................................................................................  216° F (102° C)

Cooling Fan Thermoswitch Cut-in Temperature

Stage 1 ...........................................................................................................................................................................  198-207° F (92-97° C)
Stage 2 .........................................................................................................................................................................  210-221° F (99-105° C)

Cooling Fan Thermoswitch Cut-out Temperature

Stage 1 ........................................................................................................................................................................................  183° F (84° C)
Stage 2 ........................................................................................................................................................................................  196° F (91° C)

OIL PRESSURE

Minimum (2000 RPM, 176° F) ...............................................................................................................................................................  29 psi (2 bar)
Maximum (Relief pressure) ......................................................................................................................................................  77-91 psi (5.3-6.3 bar)

Radiator Cooling Fan Temperature Sensor / Switch|Specifications|Page 1436 > < MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke|Page 1432