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Rear Brake Load Adjuster Question
- Adamski
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27 Oct 2010 19:34 #5427
by Adamski
Rear Brake Load Adjuster Question was created by Adamski
Following a suspension lift on your Jimny has anyone altered their rear brake load adjuster. I've read that when the the Jimny has weight in the back it adjusts the rear brakes so that they do more work. Working on logic, now that mine is 3" higher, it must think that there is never any weight in the back and therefore the rear brakes are doing little, if no work?
My brakes seem pretty good, however I'd like to know that both the front and rear brakes are doing their bit to give the best stopping power possible.
My brakes seem pretty good, however I'd like to know that both the front and rear brakes are doing their bit to give the best stopping power possible.
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- darthloachie
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27 Oct 2010 19:37 #5429
by darthloachie
Replied by darthloachie on topic Re: Rear Brake Load Adjuster Question
It doesn't get any lighter because it is higher so you will still have the same weight distribution - tyres will have more impact on stopping distances
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- Adamski
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27 Oct 2010 19:43 #5430
by Adamski
My thinking is that now the axle is further away from the chassis, the adjuster spring is now stretched which must 'fool' the adjusted in thinking that the rear brakes arent requires as much so reduced the power of them. Then when I put stuff in the back or have a trailer on, due to the lift, the adjuster spring is still going to be stretched (unless the weight compresses the springs by 3"+ , which would probably take a hell of a lot of weight).
Replied by Adamski on topic Re: Rear Brake Load Adjuster Question
darthloachie wrote: It doesn't get any lighter because it is higher so you will still have the same weight distribution - tyres will have more impact on stopping distances
My thinking is that now the axle is further away from the chassis, the adjuster spring is now stretched which must 'fool' the adjusted in thinking that the rear brakes arent requires as much so reduced the power of them. Then when I put stuff in the back or have a trailer on, due to the lift, the adjuster spring is still going to be stretched (unless the weight compresses the springs by 3"+ , which would probably take a hell of a lot of weight).
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28 Oct 2010 05:44 #5443
by mlines
Martin
2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Replied by mlines on topic Re: Rear Brake Load Adjuster Question
You are correct. The adjuster is designed to adjust the braking power to the rear depending on the load in the Jimny and the way it does this is based on the tension in the spring. You will see that the Trail Master Kit in the store has an additional bracket to put the adjuster back into its normal position after a lift.
However there is some adjustment in the mounting point as standard and the bracket in the kit is only a piece of metal so I am sure you can sort something out.
Martin
However there is some adjustment in the mounting point as standard and the bracket in the kit is only a piece of metal so I am sure you can sort something out.
Martin
Martin
2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
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- darthloachie
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28 Oct 2010 07:36 #5445
by darthloachie
Replied by darthloachie on topic Re: Rear Brake Load Adjuster Question
doh! how thick am I - knew Martin would have the answer
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28 Oct 2010 13:47 #5463
by Obarno
Manual VVT, 2 1/2" lift, ORA castor corrected arms, 2" ORA body lift, 4:1 transfer box, Uprated front shafts & CVs ERM , ARBs back & front 3.9 diffs, 6 point cage, ORA winch bumper - Superwinch EP9, ORA rear bumper, ORA axle truses, Diff guards ERM , TBR tank guard, Snorkel, Kumho KL71.30.9.50 15
Replied by Obarno on topic Re: Rear Brake Load Adjuster Question
Funnily enough I have just altered the bracket on mine for the very reason the back brakes aren't doing much. Last time it was MOT'd they didn't do much at all. I have a 3" lift so I have extended the spring bracket by 3" so the spring is not now under any tension and pushes the leaver on the valve back to where it was. Not sure it makes much difference but makes me think it should!
Manual VVT, 2 1/2" lift, ORA castor corrected arms, 2" ORA body lift, 4:1 transfer box, Uprated front shafts & CVs ERM , ARBs back & front 3.9 diffs, 6 point cage, ORA winch bumper - Superwinch EP9, ORA rear bumper, ORA axle truses, Diff guards ERM , TBR tank guard, Snorkel, Kumho KL71.30.9.50 15
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