Has anyone replaced their viscous clutch for the cooling fan?
Mine wont disengage till i rev the nuts off it but then it kicks back in well enough when she gets warm.
I am looking into a radiator replacement and want to sort out the viscous hub at the same time.
Does anyone know where to get a new one from?
I Have heard of people servicing toyota ones bet not too sure on how the feroza one will go with a rebuild.
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Feroza Viscous Clutch Replacement?
Moderator: Tiny
I reckon you could still get one genuine if you REALLY need a replacement.
Or else there are wreckers I suppose.
All else fails, you could use a thermo fan setup, although not as good as stock cooling unles done perfect.
Or else there are wreckers I suppose.
All else fails, you could use a thermo fan setup, although not as good as stock cooling unles done perfect.
[quote="RockyF70 - Coming out of the closet"]i'd be rushing out and buying an IFS rocky[/quote]
Re: Feroza Viscous Clutch Replacement?
They will always be spinning with the engine- are you sure it's actually faulty?FROZY wrote:Mine wont disengage till i rev the nuts off it but then it kicks back in well enough when she gets warm.
Get rid of it for an electric fan if you're good at DIY stuff. The power difference is roughly the same increase as fitting extractors (using a calibrated buttometer
)David
Different silicone properties - the stuff in a viscous fan changes it viscosity significantly with changes in temperature - which is what makes it work...stariondriver wrote:you guys ever consider using silicon shock fluid in those? it comes in weights up to 10,000
Shocks on the other hand, as I understand it try to maintain constant viscosity with temperature to provide consistent damper operation.
Could be wrong.
( usual disclaimers )
It seemed like a much better idea when I started it than it does now.
It seemed like a much better idea when I started it than it does now.
I had it rebuilt under warranty a year or so ago but it never really functioned as it is supposed to. I have a fealing there could even be too much silicon in there i guess.
Well it looks like the radiator will be out for a few days getting re built as the only place i found that can supply an original eqipment Denso radiator wants $580 for it
At least i will have time to play with the fan clutch 
Well it looks like the radiator will be out for a few days getting re built as the only place i found that can supply an original eqipment Denso radiator wants $580 for it
At least i will have time to play with the fan clutch 
It all depends on the year model Feroza as well. There are at least three different radiators made to fit Ferozas.
Do a search as I posted the dramas I had trying to buy a new one. The local radiator shop could get in a Denso one for a reasonable price- but I got it home and there was no way it would fit my '92 F300. Ended up buying genuine from Daihatsu which was ordered from Japan.
Do a search as I posted the dramas I had trying to buy a new one. The local radiator shop could get in a Denso one for a reasonable price- but I got it home and there was no way it would fit my '92 F300. Ended up buying genuine from Daihatsu which was ordered from Japan.
David
Yeah mate,
My rocky (which still hasnt sold ) was overheating (turned out to just be a faulty thermo 
) but I looked into the viscous. Toyota quoted me something ridiculous like $580 as well so it's not a cheap process...
My rocky (which still hasnt sold
) was overheating (turned out to just be a faulty thermo ) but I looked into the viscous. Toyota quoted me something ridiculous like $580 as well so it's not a cheap process...Ozkor Auto Tech - 51 Orchard Road, Brookvale
1997 HZJ75 - 2" Springs, 33" MTZs, Touring Rig with more toys to come!
1997 HZJ75 - 2" Springs, 33" MTZs, Touring Rig with more toys to come!
FROZY, so far its gone fine, its a 2300CFM push unit ( lack of room behind radiator ) and its managed on a 30 degree day in the bush ( low speed stuff.... )
Until it gets by on a 40 degree day, I won't call it perfect.
If your thinking electric, and have the space go for a pull fan with a proper shroud - do a half assed job and your going to be sorry.
And as a complete aside, I'm far from convinced about the Feroza water pump, the impeller design and manufacture is terrible and the clearances huge.
I've taken one apart, which requires the pump rotor to be machined off ( not designed to be disassembled ), and have sourced an identical mechanical seal, as disassembly destroys the original.
Will machine up a pump impeller that flows and see how it goes.
I'm really beginning to think that the Ferozas tendency to detonation is caused by poor cylinder head cooling - and the only thing i haven't played with is the water pump.....
Until it gets by on a 40 degree day, I won't call it perfect.
If your thinking electric, and have the space go for a pull fan with a proper shroud - do a half assed job and your going to be sorry.
And as a complete aside, I'm far from convinced about the Feroza water pump, the impeller design and manufacture is terrible and the clearances huge.
I've taken one apart, which requires the pump rotor to be machined off ( not designed to be disassembled ), and have sourced an identical mechanical seal, as disassembly destroys the original.
Will machine up a pump impeller that flows and see how it goes.
I'm really beginning to think that the Ferozas tendency to detonation is caused by poor cylinder head cooling - and the only thing i haven't played with is the water pump.....
( usual disclaimers )
It seemed like a much better idea when I started it than it does now.
It seemed like a much better idea when I started it than it does now.
Yes, the detonation on mine was markedly worse if the water temp was up.
Is your pump genuine? I bought an "off the shelf" $45 replacement pump for my wife's old Excel a few years ago, anyway it was VERY poor quality compared to the factory original. The impellor design was even totally different and decidedly dodgy - it would have had huge clearances.
Is your pump genuine? I bought an "off the shelf" $45 replacement pump for my wife's old Excel a few years ago, anyway it was VERY poor quality compared to the factory original. The impellor design was even totally different and decidedly dodgy - it would have had huge clearances.
David
Yes its genuine and checked it against other Applause and Feroza pumps I have.
BTW the Applause and Feroza pumps differ only in their pulley flange but this makes them non interchangeable.
The Feroza pump pulley is slightly larger than the Applause - meaning it runs slower which is not at all what I expected. I have an Applause setup on as I have changed the belt setup and don't run a mechanical fan.
BTW the Applause and Feroza pumps differ only in their pulley flange but this makes them non interchangeable.
The Feroza pump pulley is slightly larger than the Applause - meaning it runs slower which is not at all what I expected. I have an Applause setup on as I have changed the belt setup and don't run a mechanical fan.
( usual disclaimers )
It seemed like a much better idea when I started it than it does now.
It seemed like a much better idea when I started it than it does now.
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