To answer your question followthe lines running into the backof the ac pump. Now the line that runs from it to the condenserwhich is the radiator lookingthing in front of the cars engineradiator, is the high side line.The other line goes to the receiver dryer is the low side.
The line going 2 the (TOP) of the Condenser-{wich is theunit INFRONT of the Radiator}{that has fins on it like the Radiator THE small lines are usally the high pressure lines.JUST trace the TOP (from the condenser)line back 2 the COMPRESSOR & that fitting will b your HIGH side.
Most high pressure lines have a red cap on them, and they are usually smaller in diameter. It runs from the condenser to the TX valve/Evaporator.
The 1987 Oldsmobile Cutlass cooling system has a fluid capacity of 5.5 gallons. The cooling system fluid should consist of 50 percent antifreeze.
3100 v6
The 1991 Oldsmobile Cutlass cooling fan relay switch can be found attached to the right side of the radiator housing. The cooling fan relay switch should be labeled as such.
where is the coolin fan relay located in a 1994 Oldsmobile cutlass located
Most cooling fans come on low speed around 150 to 180 degrees Fahrenheit. Unless, your running the air conditioner or the defroster. Turning on your air will also activate the cooling fan.
That is cooling fan 1 control circuit malfunction. check out the fan motor, and temperature sending unit, fan relay, and fuse.
Get a Haynes Auto Manual for the year in question and in the appendix section there is a complete wiring diagram
I have a 1998 olds cutlass and it is leaking cooling and have a bad ticking sound what do you think I should do.
Low coolant? Cooling fan not working? Water pump not circulating water? System airbound? Radiator plugged or restricted? Thermostat not fully opening?
Replace the thermostat and radiator cap.
There is no such thing as and air-conditioner accumulator in an automobile. A nonworking air-conditioner compressor can cause a cooling malfunction.