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Re: My23 brakes
[Re: NZPlusSix]
#765457
25/12/22 06:07 PM
25/12/22 06:07 PM
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Joined: Nov 2011
Posts: 6,304 Australia - NSW North Coast
OZ 4/4
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2011
Posts: 6,304
Australia - NSW North Coast
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Hi Our 2019 Launch Edition Plus Six has had a replacement master cylinder and a brake booster unit. And YES our master cylinder seals had failed. However while the Plus Six is a vast improvement on earlier Morgans the brakes were scary from Day One.
After the work done under warranty, the brakes, and in particular the brake pedal travel (60mm on average) was the same as before all the work. Presently the car is in the NZ Morgan dealer's workshop where it will stay until we get to the bottom of this brake problem. There will be a solution!
If MMC have managed to improve the brakes on the Y23 CX cars they surely will know what they have changed. Maybe it may not be possible, or desirable, for MMC to rectify the brake problem on earlier cars but that knowledge should be made available to all owners. I suspect that the problem could well be a mechanical and involve changing the brake pedal lever arm, hinge points etc.
The brake problem is in the same basket as the sagging suspension where the quality of the springs was the source of the problem. YES we have replaced our coil over damper units with those specified by SSL. Not only do we have the original ground clearance but we have greatly improved handling. BUT have MMC acknowledged that there was a problem? NO! Will MMC accept that the Plus Six brakes were faulty beyond the master cylinder problem? Not on your Nelly!! Kerry Frustrating and a long-term blight on the vehicle and the brand....
A Morgan Identified Fastidious Owner... 2011 4/4 Bespoke, 1981 Delorean, Auburn Boat Tail
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Re: My23 brakes
[Re: Derek596]
#765458
25/12/22 06:10 PM
25/12/22 06:10 PM
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Joined: Jun 2022
Posts: 83 Katikati NEW ZEALAND
NZPlusSix
Just Getting Started
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Just Getting Started
Joined: Jun 2022
Posts: 83
Katikati NEW ZEALAND
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Hi Ian Luddite could be right in that brake fluid could be part of the problem, and YES you should get your brake fluid tested for water and replaced when required. We have already done the twice in the Plus Six.
However there is nothing in your car's brake system that cannot be retro-fitted. The brake system is simply an collection of components that starts with the brake pedal and ends with the pad gripping the rotor. To rectify the situation short of ripping the whole system out you need a brake expert with considerable experience. As with your suspension problem you went to suspension design engineers, in our case Peter and Dan at SSL. You didn't just replace the springs or the dampers, but you fitted a purpose designed system. With your brake system it is not an simple as just replacing four complete assemblies. We may well have more than one simple problem so you/we will need to work through the whole system. YES starting at the end of the system by replacing the brake pads may well be a logic, simple and relatively cheap point. And yes you may well effect some improvement.
It's worth a CRACK!! Kerry
2019 First Edition Plus Six Moonstone Blue Prev 2017 Plus 4 Auto Ivory 2011 4/4 Grey 1939 4-4 Blue
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Re: My23 brakes
[Re: Derek596]
#765486
25/12/22 11:51 PM
25/12/22 11:51 PM
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Joined: Jul 2011
Posts: 950
IcePack
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jul 2011
Posts: 950
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NZplus six. Yes brakes are brakes & agree this can be sorted. My 4/4 has a completely different system but exhibited similar symptoms re brake travel. It transpired that somehow race spec rear shoes had been fitted. Also the auto adjusters were badly set up. Hence the peddle travel was caused by having to expand the shoes & then not a lot of friction as normal driving, does not really heat up the rears. How all this came about is still a mystery as I have the invoices for standard shoes not race spec. Anyway it was all sorted free of charge by the garage owner. Really interesting in how quickly he disassembled & rebuilt the rear brakes, without removing the hubs. But they do support some well known race teams.
4/4 Ivory 4.1:1 axle, Jaguar XE R-Sport.
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Re: My23 brakes
[Re: Derek596]
#765705
28/12/22 08:45 PM
28/12/22 08:45 PM
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Joined: Mar 2009
Posts: 10,168 Hampshire
Alistair
Smile, it confuses them
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Smile, it confuses them
Member of the Inner Circle
Joined: Mar 2009
Posts: 10,168
Hampshire
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Same Litchfield that did all the Japanese import stuff when 22B and GTR was all the rage. I did not realise that they were so close.
Everyone loves a Morgan. Even me, unless it's broken again.
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Re: My23 brakes
[Re: Alistair]
#765708
28/12/22 09:18 PM
28/12/22 09:18 PM
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Joined: Nov 2015
Posts: 5,849 People's Republic of South Yor...
CooperMan
Just barreling along
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Just barreling along
Charter Member
Joined: Nov 2015
Posts: 5,849
People's Republic of South Yor...
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Same Litchfield that did all the Japanese import stuff when 22B and GTR was all the rage. I did not realise that they were so close. Did they develop the 'Godzilla' GTR ? I know the Litchfield name from somewhere...
Jon M
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Re: My23 brakes
[Re: Derek596]
#765733
29/12/22 08:29 AM
29/12/22 08:29 AM
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Joined: Aug 2010
Posts: 64 Shrewsbury
p8mog
Just Getting Started
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Just Getting Started
Joined: Aug 2010
Posts: 64
Shrewsbury
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Let us know how you get on, if all goes well there could be a long queue, me for one.
Heron Grey Plus Four 2021
Previous:- Connaught Green 4/4 1988 Black Plus 8 1998
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