stevehayes01
Newbie
Hey so the truck is a 1990 7.5L R2500 Suburban 3/4 Ton and I had a few questions was hoping to get some advice on.
1. Oil Pressure Switch/Sender - So my oil pressure gauge reads about the same thing no matter if its cold or hot so thinking I have a bad oil pressure switch/sender. The gauge always reads between 40-45psi. Thoughts?
2. Noisy A/C compressor - So I was told by the PO that there is an optional upgrade I could do to stop the vibration/noise from my A/C compressor. It sounds like a bad frame vibration or like holding a belt sander to the frame. here is a clip of the compressor both running and not running.
http://www.youtube.com/watch?feature=player_embedded&v=gFlDVgKjn5A
3. What is this part? --- Sits right above the starter and goes straight to the block with 1 wire connecting to it. (on another forum it was referenced to the knock sensor)
1. Oil Pressure Switch/Sender - So my oil pressure gauge reads about the same thing no matter if its cold or hot so thinking I have a bad oil pressure switch/sender. The gauge always reads between 40-45psi. Thoughts?
2. Noisy A/C compressor - So I was told by the PO that there is an optional upgrade I could do to stop the vibration/noise from my A/C compressor. It sounds like a bad frame vibration or like holding a belt sander to the frame. here is a clip of the compressor both running and not running.
http://www.youtube.com/watch?feature=player_embedded&v=gFlDVgKjn5A
3. What is this part? --- Sits right above the starter and goes straight to the block with 1 wire connecting to it. (on another forum it was referenced to the knock sensor)
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