1
cooling fan Sun May 15, 2011 5:20 pm
kartooo
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Silver member
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been away from bmw's for a while,had a k100lt,a r80rt and just now picked up a 1985 k100 with just 12k on it.
noticed right off the fan did not come after running parked for 15 minutes or so. did al the checks and then when i poked around in the relay box it would come on occasionally. pulled out the temp/fan relay to find 2 pins stll left in the female connector. guess after 26 yrs their solder gave out. soldered them back in and all is well. 1st ride also showed a noisy rear end. found the large ball bearing inner race to be bad. guess all that sitting with no lube splashing around and possible condensatein did a job on it. $85 bearing on the way. love the sound of this thing at around 6k rpm....
noticed right off the fan did not come after running parked for 15 minutes or so. did al the checks and then when i poked around in the relay box it would come on occasionally. pulled out the temp/fan relay to find 2 pins stll left in the female connector. guess after 26 yrs their solder gave out. soldered them back in and all is well. 1st ride also showed a noisy rear end. found the large ball bearing inner race to be bad. guess all that sitting with no lube splashing around and possible condensatein did a job on it. $85 bearing on the way. love the sound of this thing at around 6k rpm....