V8 Quattro V8-3562cc 3.6L DOHC (PT) (1990)
Service
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Install compressor clutch control relay Part No. 443 919 578H.
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Install Zener diode kit Part No. 441 298 008.
Note
Kit may come in two configurations.
Version 1
This version has a complete harness with connectors attached to the diode.
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Disconnect connector between compressor clutch and compressor clutch control relay and install diode harness in between.
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Mount diode (arrow) and bracket on compressor as shown using a 5mm screw.
Version 2
This version has no connectors attached to diode lead.
Additional parts required:
Terminal
Part No. N 017 461 4
Insulation Tubing
locally available
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Run diode lead through insulation tubing. (3mm tubing approx. 140mm long.)
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Disconnect connector between compressor clutch and compressor clutch control relay.
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Cut compressor connector off (keep the hard shell connector!) and run this lead together with diode lead through insulation tubing. (5mm tubing
approx. 160mm long)