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17th January 2012, 12:53 AM
#31
Yep, there's something wrong with fan clutch.
They only take a very short time to disengage, motor only needs to partial warm to make it work.
It should have fitted without modification.
What did you shave to make it fit?.
The contact area where heat is transfered between pump coupling & clutch.
If you have damaged this and repco won't replace it all I can suggest is,
go to jaycar or computer store, "not Hardly Normal's", a proper comp store, and ask for a small tube of heat transfer paste, this should fix lack of heat transfer.
It comes in a couple of diff recipes, 5 mls goes a long way, and cheapish.
I used this to help heat transfer on 2 different occasions for turbo timer thermo switch against rad and it works well.
Reason clutch is used is to reduce load on engine, extra ponys and also in return fuel economy. so good idea to fix it.
not to mention easy on the ears.
Cheers
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The Following User Says Thank You to Robo For This Useful Post:
Gruntgu (17th January 2012)
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17th January 2012 12:53 AM
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17th January 2012, 01:52 AM
#32
Advanced
Originally Posted by
Robo
Yep, there's something wrong with fan clutch.
They only take a very short time to disengage, motor only needs to partial warm to make it work.
It should have fitted without modification.
What did you shave to make it fit?.
The contact area where heat is transfered between pump coupling & clutch.
If you have damaged this and repco won't replace it all I can suggest is,
go to jaycar or computer store, "not Hardly Normal's", a proper comp store, and ask for a small tube of heat transfer paste, this should fix lack of heat transfer.
It comes in a couple of diff recipes, 5 mls goes a long way, and cheapish.
I used this to help heat transfer on 2 different occasions for turbo timer thermo switch against rad and it works well.
Reason clutch is used is to reduce load on engine, extra ponys and also in return fuel economy. so good idea to fix it.
not to mention easy on the ears.
Cheers
Ok when i first went to mount the clutch and fan onto the water pump the clutch would'nt go onto the pump could barely get 2 nuts started so pulled back off measured the inside of the clutch and outside of the pump and the inside of the old clutch there was a measurable difference enough to not let the two mate together.
Took it back to repco and they got a new water pump out same thing, hmm wait another 3 days for another clutch and hope it was right or alter the pump.
I chose to alter the pump set it up in a vice drill on inside of water pump to turn it and file on outside to clearance it kept going a bit at a time until they fit together still friction between the two so should'nt be a problem.
I'll test it again today as it warms up and see what happens i maybe jumping the gun but with the old clutch i could grab the fan with a piece of rag easily at any time and stop it but don't seem to be able to with new one and you can hear it when accelerating from the lights at normal operating temp.
Cheers
Grunt
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17th January 2012, 08:05 AM
#33
Advanced
Many years ago when i was young stupid and had plenty of time (now im just stupid) i made my own thermo fans to run in my HQ Monaro i sourced a adjustable thermo and 2 10 inch blades from graig davis or davis craig and used 2 HQ heater blower motors as the fan motors. Cutting down the odd shapped mounting plate on the blowers to make it square,knocking off the heater fans and fitting the 2 10inch fan blades and fitting em to my 5 core radatior and no shroud.They kept my very warm 400 chev cool in city driving with no problem at all the clutch fans of the day just couldnt do the job
Only a dog understands why bikers ride bikes
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17th January 2012, 11:48 PM
#34
Just a guess as I have not compared these, mixing petrol parts and diesel parts is the problem.
Id only heard the fan from petrol wont fit diesel viscus and v/versa but both viscus and water pump are the same stud pattern or something. Maybe this is it?.
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The Following User Says Thank You to Robo For This Useful Post:
Gruntgu (18th January 2012)
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18th January 2012, 12:12 AM
#35
Advanced
Originally Posted by
Robo
Just a guess as I have not compared these, mixing petrol parts and diesel parts is the problem.
Id only heard the fan from petrol wont fit diesel viscus and v/versa but both viscus and water pump are the same stud pattern or something. Maybe this is it?.
I sent dayco an email with part number and problem so see what they say.
Sorry for hijacking your thread madk1w1
Last edited by Gruntgu; 18th January 2012 at 02:24 AM.
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19th January 2012, 04:24 AM
#36
If you are going to do water crossings, stick with the clutch fan.
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