I just replaced my fan clutch which leaks silicone fluid (from my 87 300D). It is a BEHR with a 1998 date on it. I read that it can be repaired with 6000 cst or Toyota silicone oil. Has anybody done this successfully and long did it last? I was told that they are not worth repairing - just junk them when they failed!

a couple of members have injected the special fluid into them and reported succesfully restoring a thermo clutche to operation. I believe gsxr did one. Try using the search feature. Toyota sells the fluid
I used google and found something useful. http://zhome.com/ZCMnL/tech/FanClutch/FanClutch.htm

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'95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!

I drilled and tapped a small hole here (red) to use as a fill hole. Remove the leaf spring thermocouple and there is a pin underneath. Remove it carefully and as you fill it will run out here. Makes it quick. ~2 yrs., so far so good. At ~$200 for your clutch; can't hurt to try.

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

I got the new beefier 606 clutch for my 602 - working fine so far and only $80 with delivery on ebay.

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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter
1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock.
1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles

Thanks for the info everybody. The above link is useful. I will definitely try to refill mine. Is the Toyota 6000 silicone oil the one to use?

I refilled mine successfully. It helps to heat the housing with a hairdryer until bubbles come out and then inject the silicone as it cools. I used a small syringe, such as what people use to give infants and small children liquid medicines. It is a long slow process and you have to hold the syringe while the housing cools, but saving the money makes it worth the effort.

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