What should the low and high wire be on a Chevy Silverado?
What should the low and high wire be on a Chevy Silverado?
The low side should be above 28 to activate the low pressure switch and under 350 on the high side. Check the wire terminal 85 on the relay to make sure the wire is not broken.
Why is my a / C not working on my Chevy Silverado?
If it didn’t work or stayed on all the time then there is a problem. Subject: Air Conditioning (A/C) Blows Warm Air Intermittently. This condition may be caused by the A/C compressor clutch cycling out early when the low pressure side reaches approximately 380 kPa (55 psi).
Is the a / C on my Silverado Z71 working?
My 2006 Silverado Z71, 5.3L has A/C acting much the same as “Terry” from 05/June/2018. The difference is the 85 relay terminal is “pulsing” between green indicating a good ground and anywhere from 0.1 to 0.4 V. Would this indicate a bad ground wire coming from the PCM or maybe a bad PCM?
When to move on to the clutch relay?
Move on to the clutch relay if the fuse turns out fine. In a few car models, the power of the air conditioning system flows from the AC switch to the fuse before being transmitted to the clutch oil through the low-pressure evaporator temperature. You have to make sure that the compressor has enough oil to function properly.
Why is the serpentine belt important on a Chevy Silverado?
If you didn’t already know, the serpentine belt or drivebelt on your truck’s engine is very important in the proper operation of the engine. It drives critical engine components like the alternator, power steering pump, and water pump as well as accessories such as the air conditioning compressor.
How do you replace a belt tensioner on a truck?
Just start the truck, pull the fuel pump relay and let it run out of fuel. Stick the tool on the crank pulley and set your belt up. Bump the key and your done. Can also rotate it by hand if so inclined if the starter method worries you. I’ve done a bunch this way at my old job.
How often should a serpentine belt be replaced?
Without this belt, the engine cannot function correctly. It is recommended that the belt be checked every 6,000 miles or six months, and replaced when necessary. Figure 1. Shredded serpentine belt.
How much does a Dayco belt tensioner cost?
It’s fairly easy, took me all of 15 minutes, with really no aggravation. Dayco belt was about $20 at the local parts store (although the house brands are usually only $10-$15), the tensioner was about $30, and the 2 bolts were about $3, so it’s fairly cheap.
