Jun 24, 2008 · Keith also offers conversion kits for older R-12 (Freon) systems to make them work with the somewhat more environmentally-friendly R-134a. Keiths single-engine systems are all engine-driven. The size and power of the units vary, but for a Cessna 172 the system would be a 10,000 BTU system that weighed in at 59 pounds.

Aug 08, 2013 · If your vehicle is older you may still have R134a; it just depends on if it has been converted. To tell if it has been converted you can look for a sticker on the unit under the hood, which would indicate that it is R134a. And you can also look for R134a adapters, which would be located on the charge parts.

1. UNIT PERFORMANCE 1.1. Net R-134a Refrigeration Cooling Capacity At 38°C (100°F) ambient temperature and 60 Hz Power Supply: Air to Evaporator Cooling Capacity Power Power Factor -29°C (-20°F) 2,772 Watt (11,000 Btu/h) 5.0 kW 0.55 -18°C (0°F) 5,166 Watt (20,500 Btu/h) 6.4 kW 0.66

Rebuild hot gas valve. Install 134a charge port adapters. Charge with 134a between 70-80% of the original R12 charge amount. Note: Hot gas valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible.

Aug 01, 2017 · Owners of GMC, Cadillac and Chevy trucks whose AC systems are no longer cooling and have taken their vehicles to a mechanic or dealership have all been told the same thing—there is a cracked refrigerant hose leaking Freon from the compressor to the condenser.

Apr 26, 2018 · Here a listing of Cadillac refrigerant capacity and refrigerant oil types for Cadillac vehicles up to the 2013 model year. Most R-134a systems use PAG 46. But some use other viscosity like PAG150.

Jan 13, 2018 · R134a Pressure Gauge Chart. This chart details how ambient temperature correlates with the system refrigerant charge pressure, and how it affects high and low side psi readings. It can be New for recharging refrigerant, or to diagnose an a/c system based on pressure readings from your gauges. Ambient Temperature (°F)

142674. Weight. 0.1lbs. Product Bulletins. Safety Data Sheets. PRODUCT DESCRIPTION. R-12 to R-134a Retrofit Parts kit. Certified A/C Pro VA-LH12 R-12 to R-134a Retrofit Parts (3 Adaptors) PRODUCT DESCRIPTION.

Mar 07, 2007 · R134a can cause higher head pressure than R12, an easy cure for continued blown compressors could be just an electric pusher fan stuck on the condenser that runs whenever you turn the AC on. Lowering the the condenser temp can give you just a few less PSI and make the difference between a blown compressor or working fine.

Jun 10, 2005 · The identifier will display the truck refrigeration units sampled as a percentage of R134a, R12, or Hydrocarbons (HC) Most units also test for R22, while some units will display the percentage of air in the system. If the system tests 99% pure R134a or R12 (most displays don't show 100%), then it is fine to go ahead, connect the appropriate equipment, and

Cadillac Eldorado with Factory Compressor Type A6 1976, A/C Compressor by Four Seasons®. Compatible with R134a Refrigerants. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of

When the air conditioner in your 2001 Cadillac DeVille starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a

Oct 28, 2004 · Later model cars equipped with R134a from the factory had slightly different hose materials and fittings as the R134a has a greater propensity to leak due to the smaller molecule size. You should be fine with a 91 system that is intact and in good shape (aside from the leak you know about) but be aware that you may need to add a can of R134a

R134a Air Conditioning Filling Chart ALFA ROMEO Model Specific Model/Type Date of Manufacture Information R134a (grams) +/- grams ISO +/- 10ml Brera/Spider 09.06- 500 40 PAG46 130 Giulietta 04.10- 450 20 PAG46 130 GT 11.03-03.10 500 40 PAG46 130 Mito 09.08- 500 40 PAG46 130