XJ6 & XJ12 Series I, II & III 1968-1992

Removing Brake Pedal Box

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Old May 11, 2025 | 04:40 PM
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Default Removing Brake Pedal Box

Hello!
Does anyone have a step-by-step guide to access and remove the brake pedal box? I'm putting a stick in my Series III, have a combined brake/clutch box (I know there will be some modification likely needed), and am looking for the most straight-forward path.

Thank you!
BR
 
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Old May 12, 2025 | 05:22 AM
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Here's a schematic from the Series ! model, maybe similar to your vee-hickal

Looks to me there's plenty of bolts/nuts to undo in typical Jaguar over-engineered fashion - 8 of 'em on the firewall on the face and the bottom.

 
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Old May 12, 2025 | 08:25 AM
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Thank you - that is helpful! I wonder how much if any of the lower dash I have to disassemble to get at the bolts. I'm hoping not much, but will find out I suppose!
 
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Old May 12, 2025 | 08:45 PM
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What the manual doesn't tell you about is the left rearmost bolt that isn't. It's a stud that requires you to take off the left kick panel and the bracket for the vent knob. Once that's out you going to wanna cut between the two holes for the pedals to get the assembly back in. I tried to use all stock parts but spent hours on bad conversion kits and not finding factory pedal. I did however find a stock manual pedal housing so I opted to use the expensive **** clutch master and make the rest. I finally did make the pedal. The rest was pretty much bolt on. I would have liked to go with a stock flywheel or the one offered by C&G, but it wasn't available at the time. So I have an aluminum one.
I design this to be close to the stock unit....
I design this to be close to the stock unit....

this is the cut....
this is the cut....
This is what I ended up with...
This is what I ended up with...
 
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Old May 13, 2025 | 07:50 AM
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Originally Posted by benji808
Hello!
Does anyone have a step-by-step guide to access and remove the brake pedal box? I'm putting a stick in my Series III, have a combined brake/clutch box (I know there will be some modification likely needed), and am looking for the most straight-forward path.

Thank you!
BR
Are you sure you're going to be able to pull this off in the end? Unbolting the handful of bolts that holds in the pedal box is quite straight forward at a glance and is covered in the service manual. If this basic first step is hanging you up then it makes me wonder about the prospects of the rest of the project when things get difficult.


 
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Old May 13, 2025 | 09:30 AM
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Thank you for the page reference!
 
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Old May 31, 2025 | 06:24 PM
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Just updating here in case someone else comes looking: for me there were only 9 bolts to remove, and nothing in the car had to be taken apart.

2 small bolts holding the small brake light apparatus around the brake pedal, one bolt in the engine bay at the top of the brake booster, then 6 bolts inside the car above driver’s footwell. These last ones are inconvenient because you kinda have to be upside down to get them (perhaps why the manual says to disassemble driver’s seat, which I did not do), but not overly difficult. The pedal box then lifts forward and up through the engine bay as a unit with the brake booster and master cylinder (so remove brake lines, booster vacuum line, etc).

overall not a bad job!
 
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