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Car Forum / Nissan / Nissan Z Cars / March 2005!!!HELP!!! Need to find Sensor!!! 1987 300ZX Turbo
OK, I need to find the location of the sensor that controls the relay that turns on the vacuum pump, it has a yellow/blue wire going to it, but I can't find it anywhere on the motor. I guess it senses a lack of vacuum and turns on the pump to keep the AC and stuff like that working, well it hasn't been doing its job and I traced my problem upstream to it. > OK, I need to find the location of the sensor that controls the relay that > turns on the vacuum pump, it has a yellow/blue wire going to it, but I can't > find it anywhere on the motor. I guess it senses a lack of vacuum and turns > on the pump to keep the AC and stuff like that working, well it hasn't been > doing its job and I traced my problem upstream to it. Nevermind I found the sensor, its on the back of the vacuum canister, now to hope like hell that Nissan still has one in stock..... Following those wires from point A to point B is probably your best option. Unless you want to buy a shop manuel on the 87 Z. Also, does the AC fan turn on when you flip the switch, but no cold air ? If so, the freon could be low. Most Nissans have a saftey cut off value that activates and prevents the AC compressor from engaging when freon is low. This prevents burnout due to low freon. If you cannot hear the AC clutch engaging with a clicking sound, then check the freon. If its just wiring, then the manuel is the bset bet and worth the $25 or whatever it costs. I found manuels on EbayMotors.com > Following those wires from point A to point B is > probably your best option. Unless you want to buy a shop manuel on the 87 [quoted text clipped - 8 lines] > If its just wiring, then the manuel is the bset bet and worth the $25 or > whatever it costs. I found manuels on EbayMotors.com It was the vacuum switch that turned on the vac pump, had to take it apart and replace the microswitch inside of it. |
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