2002 GMC Envoy "detect bad fan clutch" Questions

...detect heated air coming through the AC condenser and radiator and engage the fan more positively with the water pump shaft when more air needs to me moved to cool the radiator and AC condenser. The ...

...CLUTCH IS BAD OR SHORT OR OPEN COIL RELAY BAD. THE NEW RELAY SHOWS 5 PINS. SO IS BIG CLUE THERE. CAB FUSE BOX NOT ENGINE BAY LEFT SIDE COLUMN OF RELAYS TO9 LEFT SPARE RELAY,FOG, ASD ,CLUTCH 4 DOWN ...

fan speed switch assembly or wire connectors while kicking or changing the resistor ??? 3. the switch that detects low refrigerant pressure could be bad and that switch sometimes operates a relay that

...detect this by feeling different areas of the radiator's finned surface (engine off, but after getting up to operating temperature). If an area feels noticeably cooler, it's likely a clogged area. A ...

...bad fan relay is often best detected by comparing performance with a replacement.fan relay. Could be a crack in the block. Fill it with dye & use the special light & glasses to find the leak. ...

...detect a fault on any of the 4 outputs. The scan tool can be used to cycle the outputs ON or OFF. The scan tool can also perform an automated test which can isolate the faulty circuit. The quad drive ...

...fan belt or your serpentine belt. voltage runs from your fuse box thru your air condition switch on your dashboard to a low pressure switch that is located at the accumulator a long cylinder,close to ...

...Fan works fine heater works. Filter and fluid levels have been checked. Does your compressor cycle on and of. It should cycle every five minutes or so. You should see the clutch engaging or at least ...

bad box good, fan on? fan actually blows on at least high? to any vent? does the compressor clutch ENGAGE? In USA we conn. our SCAN tool and SCAN all cars, no matter. this is first , then up to 6 more

...bad fan clutch replace it. flush the heater core and give that a try these cooling systems can get rusty,realy bad, if this is your case then the first thing i would do is a block test,this is done ...