cgraham 0 Posted August 24, 2004 Report Share Posted August 24, 2004 OK then guys, I'm hoping one of you can help me out here. My radiator fan is still running 5 hours after turning the car off. I only notice 10 minutes ago and now the battery is flat. Also their is a buzzing/pumping noise coming from the top right hand side of the engine.Anyone come accross this before? I'm confused!!Chris Link to post Share on other sites
andy 0 Posted August 24, 2004 Report Share Posted August 24, 2004 The buzzing at the top right of the engine is the auxillary water pump, it works in conjunction with the radiator fan to lower the under bonnet temperature once the engine is off, its quite normal for these to be on for a short while after a hot run, not five hours though obviously. Sounds like either the temp sensor (can't remember which one it is) or the wiring going to it it is at fault. Will have a look in bentley manual later m8.[ Edited Tue Aug 24 2004, 09:49PM ] Link to post Share on other sites
cgraham 0 Posted August 24, 2004 Author Report Share Posted August 24, 2004 Cheers for that Andy Link to post Share on other sites
cgraham 0 Posted August 25, 2004 Author Report Share Posted August 25, 2004 Any more info or ideas from anyone? Link to post Share on other sites
VR6Pete 1,455 Posted August 25, 2004 Report Share Posted August 25, 2004 do you have air con also? ive got problems with mine. the rad fans are not switching to other speeds. it's lookin to my fan control module on my air con side of things.. Link to post Share on other sites
andy 0 Posted August 25, 2004 Report Share Posted August 25, 2004 cgrahamhad a look in the book of words, the sensor that controls the rad fan and aux water pump after engine shutoff is situated in the thermostat housing, (thats on the front right hand side of engine) its the middle sensor of three (or two if you don't have air-con), its a four pin sensor and is yellow if original or possibly black if its been replaced. I replaced mine last year, abot £20 from the stealership. no guarantee that this is yr problem, but a good place to start I would say.... Link to post Share on other sites
cgraham 0 Posted August 25, 2004 Author Report Share Posted August 25, 2004 Cheers guys, much appreciated! Link to post Share on other sites
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