Clutch throw out bearing - Defender Source
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  #1  
Old November 20th, 2015, 08:02 AM
Roverlab
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Trevor Griffiths
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Clutch throw out bearing

Looking for some opinions on clutch release bearings. Fitting a R380 to a 4.6 powered 110, and having seen an occasional post about bearing failures, wanted to hear what's what.
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  #2  
Old November 20th, 2015, 08:06 AM
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I've seen the plastic ones melt. The aluminum-bodiesd ones seems like a good solution to that.
Aside from that, the Britpart plastic one I put in my truck 5 years ago is still working great.

Quote:
Originally Posted by Roverlab View Post
Looking for some opinions on clutch release bearings. Fitting a R380 to a 4.6 powered 110, and having seen an occasional post about bearing failures, wanted to hear what's what.
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Present:
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  #3  
Old November 20th, 2015, 08:21 AM
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Trevor, the guys at Independent in Chevy Chase recommended stick with genuine. The plastic they believe melts due to drivers riding the clutch improperly. Turn that flywheel!
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  #4  
Old November 20th, 2015, 08:55 AM
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Megasquirt for V8 engines - Off-road products
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  #5  
Old November 20th, 2015, 09:17 AM
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Trevor, we have the heavy duty metal version in stock... give me a call if you want it.
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Old November 20th, 2015, 09:18 AM
Roverlab
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Trevor Griffiths
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Megasquirt makes sense. Anybody have any experience with their release bearing set-up?
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  #7  
Old November 20th, 2015, 09:30 AM
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Quote:
Originally Posted by 1of40 View Post
Trevor, the guys at Independent in Chevy Chase recommended stick with genuine. The plastic they believe melts due to drivers riding the clutch improperly. Turn that flywheel!
That's exactly why they melt - because the plastic TOB wasn't designed to be engaged continuously.

It happens to those folks who keep the clutch pushed in at stop lights as well
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  #8  
Old November 20th, 2015, 09:41 AM
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Oddly enough, I've only ever seen throw out bearings fail in Land Rovers, and never a clutch. I've always put Genuine ones in whenever I do it.
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Old November 20th, 2015, 09:50 AM
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Chris Davis
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I used an HD on my rebuild. 50k miles later, clutch is fine, bearing is out. I have my plastic brand new one and I still am hesitant to use it. My new clutch just arrived as there is no sense in not replacing it too as the real cost for me is the time and energy to crack everything open. I am light on clutches, always driven stick-- sometimes they just go out. Friggin annoying.
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  #10  
Old November 20th, 2015, 10:39 AM
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Can anyone explain why a HD bearing is better?

Trevor, FYI, the Disco R380's parts I believe are different than the Defender R380 so just make sure you have the right parts.
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  #11  
Old November 20th, 2015, 10:47 AM
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Quote:
Originally Posted by 1of40 View Post
Can anyone explain why a HD bearing is better?

Trevor, FYI, the Disco R380's parts I believe are different than the Defender R380 so just make sure you have the right parts.
The stock bearing housing is plastic. The plastic wears out where the slipper pads contact it. It can also overheat and melt as discussed above. The HD versions use a metal housing.
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  #12  
Old November 20th, 2015, 10:51 AM
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Still need a reliable source and PN for the HD TOB.

The only one I've seen is an aftermarket unit with PNFTC5200HD
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  #13  
Old November 20th, 2015, 10:57 AM
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Quote:
Originally Posted by sonoronos View Post
Still need a reliable source and PN for the HD TOB.

The only one I've seen is an aftermarket unit with PNFTC5200HD
That's the one.
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  #14  
Old November 20th, 2015, 10:59 AM
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Quote:
Originally Posted by sonoronos View Post
Still need a reliable source and PN for the HD TOB.

The only one I've seen is an aftermarket unit with PNFTC5200HD
???? Everyone sells them. What exactly are you asking?

There are two options. The Aluminum body one that most sell. They are made by Rakeway. Flywheel & Clutch Kits

And the plated steel version made by Megasquirt. Linked above.

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Short Unit (UTJ100210): Defender 1983-2006, All late 300TDi, Wolf XD, 2.5 Petrol, NA Diesel - Current Part Number UTJ100210 or the older, and now superceeded number FTC4177

Long Unit (FTC5200): ALL V8s, 200 300TD1s with LT77 Gearboxes, Defenders Pre 1986, 200 + 300 Inc TD5, Disco 1 1989-1998, Disco 2 1998-2004 Inc. TD5, V8s Range Rover P38 95>, 101 V8 Forward Control, Land Rover Series 3 inc stage 1 V8. Current Part No is FTC5200. (Previous superceeded numbers being 594272, GRB229, FRC4679, FRC9568.)
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