FYI: My XJ is new to me.
When the A-C (compressor?) kicks-in...There is excessive drain to the engine(RPM's). Then it seems the electric-fan starts at the same time the A-C kicks-in.
Is this normal? Common? Is there a fix?
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1987 Wagoneer XJ Limited
A-C/Electric-fan/Engine-draw... Relationship?
FYI: My XJ is new to me.
When the A-C (compressor?) kicks-in...There is excessive drain to the engine(RPM's). Then it seems the electric-fan starts at the same time the A-C kicks-in.
Is this normal? Common? Is there a fix?
Super Moderator
Re: A-C/Electric-fan/Engine-draw... Relationship?
It is the proper function for your system. The electric/auxiliary fan will come on for two things, if functioning correctly. (1) The vehicle reaches 218-220° coolant temperature. (2) The A/C or defrost is turned on. The reason for the latter is because, as you noticed, the compressor adds strain to the motor. The fan turns on to combat a rise in temperature, due to said added strain, to help out the already insufficient cooling systems these jeeps were equipped with.
Sent via messenger pigeon - i talk, he types.
1987 Wagoneer XJ Limited
Re: A-C/Electric-fan/Engine-draw... Relationship?
It's the... I may not like the answer, but comforting knowing I'm not alone!Thanks!
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