Which oil do you use for a HT-6 GM compressor? I seen PAG 46 and PAG 150. Looks like I need 8 oz. Dealer wanted $32 for 8 oz of AC delco oil.
Any place you can send a leaky HT-6 compressor for a rebuild? Mine leaks around the o- rings around the body in the center.l
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Too many questions, not enough answers....
BVA Auto 100 (POE) is supposed to be a good oil for 134a, but I have to ask are your sure your "compressor" needs 8 oz. of oil?
I just did mine about two months ago same compressor and I was told 4oz. of oil in the compressor by a GM mechanic here in Houston
and it's working fine no noise, all has been well, but I could have been given the wrong info also, just wondering.
Edit:
By the way mine is on a 98 GMC 1500 ext. cab 350 5.7 maybe it's a different version of the HT-6 you have.
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Don't take life seriously... Its not permanent.
Edited: Wed July 02, 2008 at 8:22 PM by MrBillPro
Compressor Type Harrison HD6/HT6 6-Cyl.
Refrigerant (R-134a) Capacity
Pickup & Sierra 32 ozs.
Crew Cab & Utility 36 ozs.
Suburban, Tahoe & Yukon
With Rear Unit 64 ozs.
Without Rear Unit 36 ozs.
System Oil Capacity
Pickup & Sierra 8 ozs.
Crew Cab & Utility 8 ozs.
Suburban, Tahoe & Yukon
With Rear Unit 11 ozs.
Without Rear Unit 8 ozs.
System Operating Pressures
High Side 320 psi (22.5 kg/cm2 )
Low Side 28 psi (2.0 kg/cm2 )
Specification is with ambient temperature at 80ðF (27ðC), relative humidity of 60 percent and engine speed at 2000 RPM.
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So Tim should I go back and add more oil to mine although it quite as a church mouse? The mechanic told me 4 oz. to the new compressor when
I installed it and I would be good to go, he said because I probably have some in the evap. and accumulator, now I am worried but trust me this
thing is real quite so quite it almost scares me, but it has been working fantastic I am afraid to touch it.
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Don't take life seriously... Its not permanent.
Edited: Thu July 03, 2008 at 1:00 AM by MrBillPro
If you did not flush you're probably alright where you are. If you did and started with a clean system you're short on oil.
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Condenser may hold about an once two at the most. Evap about the same. You could be a couple ounces low with the data provided in my opinion.
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The condenser design may have only held 1 ounce or less of oil, thus little seen when flushing. If the evap was not flushed and accumulator not changed (can't be flushed); then you probably have more than the four ounces of oil that was added, in there. The accumulator tends to accumulate the oil (thus the name) and meters it to the compressor through the hole in the J tube, it may have held 2 or 3 ounces itself.
Oil balancing (adding back for specific component change) does work, but only when the oil in the system is clean and was at the correct level to start with. This however, is becoming more and more of a rare find in aftermarket repair.
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Thats just Mrbillpro being mean.... happy forth to you to bill...
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Chick
Email: Chick
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Freedoms just another word for nothing left to lose
Front and rear system like on a Suburban. Some vehicle have them some will not.
What's the application for the compressor? Cost the same to send one in and have it reworked as it does to buy a re-manufactured model form our site. Depending on the application there may be a new Seltec or Sanden knock off for cost tot he same cost.
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