Question about 1986 Chevrolet G20
Posted by Anonymous on
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Posted on Jan 02, 2017
There are three relays all grouped together on the firewall on the passengers side. All three are related to your situated. We can eliminate one of them because you stated that the fuel pump is operating fine. Now that leaves the relay for the ECM(engine control module) this tells the injectors, cold start and run, when and how much fuel to supply and also controls ignition timing and spark advance. The third controls the AC compressor. Now I've got to remind you that I started working on fuel injection systems the day they started failing here in the US around 1972.These were such vehicles as Mercedes, Saab and Volvo. I've worked on every configuration, TBI, MPI, diesel etc.etc. I may on occasion cross one fact with another or mispronounce certain aspect of a system however, These three injectors are where you want to concentrate your efforts. With some finnesse you can swap the harnesses from one to another. If your car runs fine and your AC suddenly does not, then you know that that relay is faulty. Do this until you get your answer. Best of luck my friend, Dana
Posted on Aug 31, 2009
SOURCE: I need to replace the
The filter is located inside the transmission oil pan on the bottom of the transmission. You will need a 10mm. socket and ratchet, and a large catch pan. There is no drain plug so it can be a very messy job. Its not to hard to do, the hardest part is not getting tranny fluid every where. You will need about 7 qrts of tranny fluid, Make sure the engine is running when you check the fluid level.
Posted on Jan 19, 2011
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