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Author Topic: Land rover 90 Discs  (Read 6868 times)

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DervDemon

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Land rover 90 Discs
« on: August 04, 2019, 08:41:51 PM »
Hi
I've seen many adverts saying Landrover 90 Discs have been fitted. Is this an upgrade for the front or a rear disc conversion?
I can't find anything when doing a google search, Thanks
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bigjeepzj

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Re: Land rover 90 Discs
« Reply #1 on: August 05, 2019, 01:56:01 PM »
To what
There a different PCD?
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donk498

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Re: Land rover 90 Discs
« Reply #2 on: August 05, 2019, 04:38:03 PM »
James H fitted some none vented 90 front discs to the rear of his xj with transit rear calipers on fabricated brackets. The discs were redrilled to 5x4.5 pcd.
That axle is now under a friend's zj.
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DervDemon

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Re: Land rover 90 Discs
« Reply #3 on: August 05, 2019, 07:32:23 PM »
Ah
I've seen it on posts about XJ's and TJ's. Usually as an advert description. I'm struggling to stop my front brakes periodically sticking on and overheating. My calipers are fine and free along with the slide pins, Also have new extended brake hoses (not kinked)
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frosty 1

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Re: Land rover 90 Discs
« Reply #4 on: August 06, 2019, 07:23:34 AM »
I think a lot of the problems with XJ and TJ front brakes sticking on was due to the material the pistons were made of, I think you can get different ones, I am sure someone on here can advise, as it is a common problem, my old XJ's used to suffer with it occasionally.
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carljh

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Re: Land rover 90 Discs
« Reply #5 on: August 06, 2019, 12:52:55 PM »
Chrysler/Jeep do like to use phenolic pistons, nothing but trouble on my WJ! managed to find calipers with steel pistons, so they should be available for other Jeeps.
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donk498

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Re: Land rover 90 Discs
« Reply #6 on: August 06, 2019, 04:08:33 PM »
Quote from: DervDemon on August 05, 2019, 07:32:23 PM
Ah
I've seen it on posts about XJ's and TJ's. Usually as an advert description. I'm struggling to stop my front brakes periodically sticking on and overheating. My calipers are fine and free along with the slide pins, Also have new extended brake hoses (not kinked)

Is the knuckle smooth where the pads locate? They wear groves in the knuckle which causes the brake to get hot which in turn causes the piston to stick. You can weld the groves up as a repair.
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gazjeep

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Re: Land rover 90 Discs
« Reply #7 on: August 06, 2019, 08:49:32 PM »
Repair kits with steel pistons available from Here http://biggred.co.uk/
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Taking ya girl to heaven & back

Allante666

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Re: Land rover 90 Discs
« Reply #8 on: August 14, 2019, 07:52:33 PM »
Yep, its the phenolic pistons. I had them on my WJ and they kept sticking. Replaced them with nice new phenolic pistons. Dont bother! I then replaced the whole caliper for ones with metal ones. That cured it.
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