thermo fan silicone

Submitted: Friday, Feb 14, 2003 at 09:07
ThreadID: 3366 Views:1800 Replies:6 FollowUps:3
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can any one tell me where you can buy silicone for thermo fans and what types and consistencies to bring the fan in a little faster.
(75 troopy 1hz turbo)
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Reply By: David - Friday, Feb 14, 2003 at 09:10

Friday, Feb 14, 2003 at 09:10
Available at your Toyota dealer part no.08816 10001
AnswerID: 13091

Follow Up By: Member - Tony And Helen - Friday, Feb 14, 2003 at 10:15

Friday, Feb 14, 2003 at 10:15
thanks david
I did start at my toyota dealer he told me that they arnt servicable and should spend with them on a new unit, nothing wrong with mine i wish to bring it in a bit earlier to help compensate the extra heat from a new turbo install i will try again with toyota.
can you offer any further advice on this project eg quantity to add??
FollowupID: 7660

Follow Up By: Coops - Friday, Feb 14, 2003 at 14:13

Friday, Feb 14, 2003 at 14:13
they always tell you that fans can't be rebuilt - this is utter bull bleep ! Why else would they have a part number and viscous fan have removable studs.
Gregory's manual for my 80 series clearly states what to do and how to do it. Haven't actually done it as yet but noticed for the first time ever that temp rose when working not too hard in the sand the other day so I may be investigating that option soon. Dropped quickly once I turned a/c off though.
FollowupID: 7668

Reply By: Savvas - Friday, Feb 14, 2003 at 15:51

Friday, Feb 14, 2003 at 15:51
Maybe you should try a radiator/cooling system specialist? I'd imagine they could advise and do the mods for you.
AnswerID: 13122

Reply By: Member - Tony and Helen - Friday, Feb 14, 2003 at 17:13

Friday, Feb 14, 2003 at 17:13
Thanks for the info
I got back on to toyota with the part number and I now have two tubes off the shelf (they were there all the time)
$9 each

AnswerID: 13127

Reply By: sensei - Friday, Feb 14, 2003 at 17:17

Friday, Feb 14, 2003 at 17:17
A Toyota dealership will be able to sell it to you or any local auto shop will also be able to get it for you. Comes in 18ml bottles and is like honey to pour in so be patient. Have done this on a Toyota Surf 3ltr tiurbo, also adjusted the cut in point for the fan to come in earlier for towing a caravan. Works well but dont put in any more than one bottle.

AnswerID: 13128

Follow Up By: Bobh - Friday, Feb 14, 2003 at 21:43

Friday, Feb 14, 2003 at 21:43

Can you advise me about the procedure you have taken to firstly service the silicon wax on the thermo fan and secondly how you went about adjusting the cut in point for the fan when towing. I have been having problems with my 3ltr KZN 130 Toyota Surf when towing my caravan especially in hilly country. Have resorted to fitting transmission cooling system, larger radiator cores, having the fan for the air conditioner connected as an auxillary fan and putting vents into the bonnet to vent out the hot air created by the turbo. All to no avail as we heated up again coming up the range from Bellingen to Dorrigo last weekend. Am currently advocating either getting rid of the vehicle or trying a smaller shaft pully on the water pump to get more coolant flowing through the motor. Hope you can help? Cheers
FollowupID: 7687

Reply By: Gary - Saturday, Feb 15, 2003 at 00:33

Saturday, Feb 15, 2003 at 00:33
This was done on my fathers Toyota Surf, he was complaining that when towing his caravan up hill the temp on the surf would run to just under the red on the gauge. Once the vehicle was on flat ground or over the hill the temp would come down at a steady rate after a very short time.
The visco hub was removed and inspected, if yours is the same there will be two screws inside that can be adjusted. If memory serves me they were moved in a anticlockwise direction (4mm approx), this would allow the visco hub to come in earlier. Only add one bottle of silicon the hub, any more is not recommended.
All this was done some time ago and Im going off memory for most of it, i do remember that I hate working on this car, the head was removed and repaired due to a small problem with the bottom hose and no one looking at the temp gauge....bugger..(this was before the overheating under tow)
Since the hub has being done I am told that the vehicle's temp now only goes to 2/3 on the gauge up hill and under tow.
There is a oil cooler onboard but that is it, no extra vents in the bonnet etc.
hope this helps
AnswerID: 13175

Reply By: Member - Tony and Helen - Saturday, Feb 15, 2003 at 09:46

Saturday, Feb 15, 2003 at 09:46
seems I am not alone with this problem!!
I have recently installed a turbo and this mod was recomended by several people
the toyota coupling has a spring on the front that accuates a valve plate inside, this should be checked to see if it is free but move it gently as it does not move more than about 3 deg for normal operation
The instructions i was given was to increase the amount of silicone by 20 - 40 % a useless piece of info because you cant judge the ammount there in the first place.
toyota said two tubes and this is what i added and found the hub would not release ,let out about one tube and the result was perfect
so for those whow ant to try i would add 1
hope it helps
AnswerID: 13185

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