80 Quattro L5-2309cc 2.3L SOHC (NG) (1988)
Oil temperature gauge (G9), checking
Note: Use the same procedure on 4-cylinder and 5-cylinder models.
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remove sound dampening pan from below engine compartment
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remove wire connector from oil temperature sensor
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sensor located on oil pump housing on 5-cylinder models
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sensor located on top of oil filter housing on 4-cylinder models
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connect tester VW 1301 between sensor connector and ground
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switch ignition ON
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adjust VW 1301 as follows:
dial setting
gauge reads
26
170°C (338°F)
150
130°C (266°F)
690
60°C (140°F)
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oil temperature gauge must correspond with specified values
If NO
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check wiring to oil temperature gauge for open circuit according to wiring diagram, repair as necessary (see troubleshooting section)