2005 Chevrolet Optra rediator fan

2005 CHEVROLET OPTRA
265,000 MILES • 1.6L • 4 CYL • FWD • MANUAL
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ABEKEER
  • MEMBER
  • 1 POST
The rediator fan is not automatically switching on when the car heats up or when driving so it causes the engine to overheat.I`ve reasontly replaced the fan switch with a new fanswitch but its still not working.I`ve also changed the relays but still not automatically switching on when the car heats up. What could I do.
Dec 17, 2013 at 11:53 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
there are three relays , one is a fan control relay and low fan relay. those are the two you should check on. your control may not be allowing power to go to low relay all are underhood and should be marked.
Dec 18, 2013 at 12:00 AM
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