How To Test Cooling Fan Relays Low And High Speed Youtube I have had a lot of people ask me about gm radiator cooling fan diagnosis in the past. it basically runs two fans in series for low speed and then put's eac. Gm 3.1l cooling issues and cooling fan. ok, so i've been having trouble understanding what's going on here. vehicle is a 1995 olds cutlass ciera sl 3.1l. normal operating temp is the guage at 1 2. lately it's been creeping up to almost 3 4 when i'm at 65 70 mph. so far, i've replaced the heater core (box was full of coolant and it smelled in.
Chevy Cooling Fan Relay Location Q A Guide Justanswer Testing low and high speed cooling fan relays. subscribe: carsntoys tools and supplies: amazon shop carsntoys mult. The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. the relays are arranged in a series parallel configuration that allows the powertrain control module (pcm) to operate both fans together at low or high speeds. the cooling fans and fan relays receive battery positive voltage from the underhood junction block. Key points. recognize symptoms: engine overheating, poor a c, continuous fan operation, battery drain, risk of a c compressor damage. inspect for damage: check for corrosion, burnt marks, loose pins, cracked sockets in the relay. test functionality: use a multimeter, check for continuity resistance, listen for a click, inspect physically. Customer: i have a 2003 venture van, it has dual cooling fans but they will not go to high speed thay stay on low. the van has 3 relays for the fans and i replaced all three including the temp sensor and they still do not go to high. i can remove they main relay for the fans and leave fan relay one and two in place and run the ac. fan one will.
How To Replace A Cooling Fan Relay On Most Vehicles Yourmechanic Advice Key points. recognize symptoms: engine overheating, poor a c, continuous fan operation, battery drain, risk of a c compressor damage. inspect for damage: check for corrosion, burnt marks, loose pins, cracked sockets in the relay. test functionality: use a multimeter, check for continuity resistance, listen for a click, inspect physically. Customer: i have a 2003 venture van, it has dual cooling fans but they will not go to high speed thay stay on low. the van has 3 relays for the fans and i replaced all three including the temp sensor and they still do not go to high. i can remove they main relay for the fans and leave fan relay one and two in place and run the ac. fan one will. 2000 chevy venture 3.4 cooling fans do not come on even wen turn on a c. temp guage goes up but no fans. have good heat. mechanic's assistant chat customer: 2000 chevy venture 3.4 cooling fans do not come on even wen turn on a c. temp guage goes up but no fans. have good heat. wen i send voltage to fan they go on. swaped relays but no change. Trying to demystify the 3 relay setup for hi low speed fans. it's really not as hard as it looks.link to purchase stickers: rustywrenches.bigcartel .
Where Are The Fan Speed Relay And The High Speed Fan Relay Located 2000 chevy venture 3.4 cooling fans do not come on even wen turn on a c. temp guage goes up but no fans. have good heat. mechanic's assistant chat customer: 2000 chevy venture 3.4 cooling fans do not come on even wen turn on a c. temp guage goes up but no fans. have good heat. wen i send voltage to fan they go on. swaped relays but no change. Trying to demystify the 3 relay setup for hi low speed fans. it's really not as hard as it looks.link to purchase stickers: rustywrenches.bigcartel .
Chevy Venture 2000 Q A On Cooling Fans Starter Relay Cooling System
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