I'm replacing the discharge & suction hose on my 96 blazer. Where it connects to the compressor I'm not sure if I have the right seal or gasket in place Is there a diagram somewhere that shows how the connection is made to the compressor?
Jerry from Texas
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Re: a/c hose to compressor
Hello jerry i am also from tex. the hoses are self explanitory. one is thicker than the other. both hoses should be connected facing the radiator or the front of the vehicle.as you connect the hoses you will see that you cannot make a mistake due to it being thicker than the other.
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not mentioned but did you replace with equipment specific for r134a gas
are you connected to the suction line and are sucking gas not liquid
are you using the duel gauge ,3 hosed manifold for the charging process or have you just connected the bottle and hoping for the best
take it to a qualified ac specialist shop
AC COMPRESSOR HAS A DISCHARGE SIDE AND SUCTION SIDE.FOLLOW AC COMPRESSOR SUCTION HOSE OR LINE FROM RECEIVER DRIER TO THE EVAPORATOR INLET LINES INTO FIREWALL LOOK FOR REFRIGERANT LINE WITH A BLUE CAP ON IT LEADING FROM RECEIVER DRIVER TO THE EVAPORATOR INLET LINE GOING INTO FIREWALL.LINE WITH BLUE CAP IS THE CHARGE PORT.
1.Discharge/Recover the refrigerant.2.Remove the tension bolt.3.Remove the V-belt and magnetic clutch wire harness connector.
4.Remove the suction hose and discharge hose from the compressor.5.Remove the 4 mounting bolts on the compressor. 6.Remove the compressor downwards.
INSTALLATION IN REVERSE ORDER 1.Tighten the 4 compressor mounting bolts. 2.Connect the suction hose and discharge hose to the compressor.3.Connect the V belt.4.Adjust the V belt tension.5. Reconnect the magnetic clutch wire harness connector.
Question: Is fitting leaking at the compressor or at the rubber hose end.
If leaking at the compressor hard line fitting. Try replacing "o"ring. If leaking at the rubber hose end. Remove line and take to a HVAC shop that can replace "barrier hose (rubber hose using your fittings)
Any repair will require discharging the system.
I have a 94 tracker with hoses leaking. I would recommend replacing the rubber hose sections on both suction and liquid lines at the same time. You will have to discharge the system for either repair. I would also recommend replacing all "o" rings accessible at this time along with a receiver dryer.
I work in the Auto parts sales for a large after market parts supply company and have found that hoses are not available from anybody, including a dealer for my 94 tracker. The system is very expensive to repair if you can find parts.
The Freon goes into the "suction" hose/pipe assembly. There will be a service port on this hose. The low side (blue) hose of the manifold gauge set gets connected to this fitting. The suction hose can be identified by it's larger diameter (compared to the discharge and liquid hoses). The suction hose will run from the compressor across the top of the radiator (slightly behind the radiator), then back towards the firewall on the passenger's side of the engine compartment. The service port is generally closer to the firewall, than to the compressor.
replace compressor ;remove refrigerant ;accessory belt ;electrical connectors ;suction /discharge refrigerant hose from back of compressor ;bolts from compressor and engine block ;leave bracket attached to compressor