Sport model with the 16 valve 2.0 L Zetec VCT engine. After the engine reaches normal operating temp (cooling fan starts) there is an intermittent muffled whistle that comes from somewhere near the Throttle control body. Also, If we operate the engine with the hood open, until the radiator cooling fan starts. Then turn off the engine. Shortly after the engine stops it makes the same whistle, but very short duration. Could this be something that is vacuum actuated?
May be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: diyobd2.fr
SOURCE: cooling fan relay
its not an actual relay is like a relay assembly
Constant Control Relay Module (CCRM)
The Constant Control Relay Module is located at the LH front of the engine.
SOURCE: 1998 ford escort 1.6 zetec,solenoid stuck..
Yes it is the starter motor, remove it and check, you probabley will have to replace the starter Bendix.
SOURCE: 98 Mustang v6 - no AC
Make sure the radiator pressure cap is the correct one and that the hose is not soft--check the lower hose and heater hoses for softness as well. They should be firm, but not hard or cracking. The temperature sensor is reporting normal operating temperature, so it and the thermostat are working correctly (hot water would blow out of the radiator if it were stuck). Check the cooling fan for free turning and no noise. Check it's grounding connection. Check the fuse box for blown fuses to the fan and to the A/C compressor. Make sure all the relays and fuses are firmly pressed into their sockets. Check the A/C compressor clutch winding for resistance--should not read infinity. Does the blower motor for the heater/A/C run when either is turned on? The A/C switch on the dash may be defective.
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