It's been suggested to me that this parts manual may well be incorrect and that fork on the rear cable should be the same as the fork on the front cable.
So fitting 152251 to the rear cable is incorrect and that actually it should be 154225, the same as on the front cable.
Any thoughts anyone? Perhaps even given how much adjustment there is on the cables it makes no difference anyway.
Rear Handbrake Cable Mark 2
- david_lall
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David Lall
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Re: Rear Handbrake Cable Mark 2
The rear handbrake cable that runs between both rear wheels has different 'fork' ends on each side. One is fixed (no adjustment) whilst the other side has the square nut in the fork onto the threaded end of the cable for adjustment. The fork on the fixed end is a shorter fork than the adjustable end. Fortunately, my 1973 PI is over my pit so having checked the hand brake cables, the shorter non adjustable fork is 5cm whilst the other side with the adjustment is 7cm long.
The attachment of the front cable from the handbrake lever to the centre guide is different depending on the age of the car. My 72 and 73 PI's have a bar about 10cm long with a right angle end - the threaded cable connects to the right angle end with a locknut for the adjustment, and the other end of the bar connects to the guide with a clevis pin. However on my 76 S, the front cable from the lever connects to the guide with the adjustment in a fork which is also 7cm long. The latter serms the more logical set up, which is popossibly why it changed on later cars.
Hope that makes some degree of sense!
The attachment of the front cable from the handbrake lever to the centre guide is different depending on the age of the car. My 72 and 73 PI's have a bar about 10cm long with a right angle end - the threaded cable connects to the right angle end with a locknut for the adjustment, and the other end of the bar connects to the guide with a clevis pin. However on my 76 S, the front cable from the lever connects to the guide with the adjustment in a fork which is also 7cm long. The latter serms the more logical set up, which is popossibly why it changed on later cars.
Hope that makes some degree of sense!
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- david_lall
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Re: Rear Handbrake Cable Mark 2
Yes, that all makes sense and seems to support what's shown in the parts book
David Lall
1972 Triumph 2.5 PI Estate Royal Blue
1968 MG 1300 Saloon Connaught Green
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1972 Triumph 2.5 PI Estate Royal Blue
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http://carlightrestoration.blogspot.co.uk
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- Jonathan Lewis
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Re: Rear Handbrake Cable Mark 2
If I remember correctly, the right-angled bar was specified for automatic transmission cars, and the forked connector on manual transmission vehicles, at least in the early- to mid-'seventies.johnnydog wrote: ↑Sat Jan 16, 2021 8:44 pmThe attachment of the front cable from the handbrake lever to the centre guide is different depending on the age of the car. My 72 and 73 PI's have a bar about 10cm long with a right angle end - the threaded cable connects to the right angle end with a locknut for the adjustment, and the other end of the bar connects to the guide with a clevis pin. However on my 76 S, the front cable from the lever connects to the guide with the adjustment in a fork which is also 7cm long. The latter serms the more logical set up, which is popossibly why it changed on later cars.
Parts book theory, however, may not necessarily always have been reflected in what was actually fitted!
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Re: Rear Handbrake Cable Mark 2
Y'know, that's how I remember it too. So either we're right - or both of us are wrong (as well as the parts book)!Jonathan Lewis wrote: ↑Mon Jan 18, 2021 1:02 pmthe right-angled bar was specified for automatic transmission cars
Cheers,
Mike.
(South Oxfordshire)
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- Dave B
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Re: Rear Handbrake Cable Mark 2
Having a manual & an auto, I can safely say the auto has the right angled bar 158970 and the manual has the forked clevis 154225.Mike Stevens wrote: ↑Tue Jan 19, 2021 12:33 pmY'know, that's how I remember it too. So either we're right - or both of us are wrong (as well as the parts book)!Jonathan Lewis wrote: ↑Mon Jan 18, 2021 1:02 pmthe right-angled bar was specified for automatic transmission cars
Cheers,
Mike.
I assume it is to do with avoiding contact with the propshaft at the gearbox end,
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1970 2500 Mk2 in pimento red[/col
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Re: Rear Handbrake Cable Mark 2
This all makes sense as it seems autos did have the bar whilst manuals had the fork, although my white manual PI did have the bar setup; maybe for clearance - at the diff end rather than the gearbox end. Having said that, I don't really see that it should make a great deal of difference as the welded cable guide on the transmission tunnel dictates the cables position to clear the propshaft / UJ, and the rear cable has the guides through the subframe box sections. The upturn of the bar is only marginally deeper than a fork, so.....
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1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
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1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
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1973 Mk2 2.5 PI in Sienna Brown
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