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View Full Version : Gq overheating issues solved i hope



97_gq_lwb
26th April 2012, 02:31 PM
Well my gq td42 was getting hot under load up hills or when bogged in mud.
I had changed the thermostat to a genuine one wich made a huge improvement.
I put the fan on with the f facing the front previous owner had it on backwards.
But today i decided to mess with the clutch fan.
On start up the clutch fan should spin hard and roar for a while then eventually slow down.
I then slowly stopped the fan using a heavy set welding glove and hold it nothing happened i could hold it all day lol.
So i then decided what can it hurt hub is stuffed anyway and bent the coiled spring on the front anticlockwise and tried it nothing.
So i then tried it clockwise and now after grabbing the fan it takes 30 seconds or more then starts grabbing and when let go it roars and draws a heap of air through.
Hoping this fixes the problem once and for all atleast it should fix the temp rise when in the mud going nowhere.
Just have to take it out on the motorway now and check it solved that problem as well.

Fity
27th April 2012, 01:27 PM
The shaft can seize up sometimes and the bi metal coil does not have enough force to rotate it. I have used a cigarette lighter to test the bi metal coil before, it should rotate around 1/4 turn. The shaft opens a port to allow the silicon oil to be pumped around, but if there is no oil it will not lock up. Toyota sells the oil (in 3 grades). Hobby shops sell it much cheaper and in different grades as it is used in RC shock absorbers. :) This is the type of thing. http://www.ebay.com.au/itm/Silicone-shock-oil-900-Tamiya-1-10-RC-HPI-Kyosho-TRAXXAS-/120875969849?pt=AU_Toys_Hobbies_Radio_Controlled_V ehicles&hash=item1c24c4ed39