Rear Marina axle wheel brake cylinders...

[David]

Re: Rear Marina axle wheel brake cylinders...

Thanks. Just called the guy. He doesn't think they are the same, citing width (re: Ben's comment), but asked me to call back in an hour when he'll be where the reference books are to check the part numbers for me.

Well the measurements appear correct, and the hole sizes and location. Just need to have another chat to the seller.

[stevejgreen]

Re: Rear Marina axle wheel brake cylinders...

In my experience, many suppliers err on the side of caution when matching parts between Triumph (where there is a wealth of information) and Marina. It took several attempts to persuade Rimmers that a 4sp TR7 differential gear cluster was identical to a Marina one.
That sort of knowledge is rarely written down for future reference.

[David]

Re: Rear Marina axle wheel brake cylinders...

I bought the set of brake shoes on eBay, I'll order a new wheel cylinder this week. I can always throw them back on eBay if they aren't correct.

On another note I thought the auto-adjusting type were on later models, but I just read somewhere else that they were on earlier Marinas and that people convert to the later manual adjusting type because the auto-adjuster is a pain. Any thoughts on that gem? Don't really want to do that as it means sourcing new back plates for the different shoes etc.

I discovered on the run back from Chiltern Hills Rally that the rattle I have at the back ceases when I'm applying the brakes, so I'll have to take another look, maybe I've got a broken shoe return spring, or fitting and the pedal pressure is stopping it rattling.

[Jonathanjeades]

Re: Rear Marina axle wheel brake cylinders...

All I can confirm is that the axle on mine was from a 1.7 1980 v reg saloon, and my spare 1.7 v reg 1980 axle both have manual adjusters on...

[David]

Re: Rear Marina axle wheel brake cylinders...

All I can confirm is that the axle on mine was from a 1.7 1980 v reg saloon, and my spare 1.7 v reg 1980 axle both have manual adjusters on...

Thanks Jonathan, Seems I probably have an earlier auto adjusting axle, I seem to recall 1.3 but now I can't find that invoice, so will have to look for a serial or identification number.

[b_caswell]

Re: Rear Marina axle wheel brake cylinders...

You might get away with a service kit for the wheel cylinder if the bore is OK.. If you fully clean and lube the self adjuster it should work, remember it works when the hand brake is operated. .............Re the rattle are you sure it is coming from the back as it could be the front pads jiggling in the calipers which stops when you dress the brakes.

[David]

Re: Rear Marina axle wheel brake cylinders...

You might get away with a service kit for the wheel cylinder if the bore is OK.. If you fully clean and lube the self adjuster it should work, remember it works when the hand brake is operated. .............Re the rattle are you sure it is coming from the back as it could be the front pads jiggling in the calipers which stops when you dress the brakes.

Thanks Ben. No it's not a pad rattle, it's a different sort of sound and definitely behind me. I will check that the anti-rattle fittings are in there though.

I'll have a closer look for broken springs and fittings, or maybe a backplate is warped and the pads are getting pushed around.

I am tempted to buy another axle and rebuild it completely and just swap them out when ready as I appear to be replacing most bits anyway!

All good fun!

[b_caswell]

Re: Rear Marina axle wheel brake cylinders...

There are two sprung horseshoe type clips that hold the wheel cylinder in position. Ive had one of those goe missing before now.

[David]

Re: Rear Marina axle wheel brake cylinders...

There are two sprung horseshoe type clips that hold the wheel cylinder in position. Ive had one of those goe missing before now.

I just ordered two new wheel cylinders complete with fitting kit which will have those in it, I hope! Also a spring and clip set to hold the shoes in place as the current items look well past their best.

That's my Saturday planned!

[David]

Re: Rear Marina axle wheel brake cylinders...

Not sure why I have two threads on this! A copy and paste from the other thread below.

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Well, all back together. I carefully filed the 'feet' on the back of the cylinder down about 0.3mm to reduce the tension on the assembly when mounted through the backplate, cleaned up the groove in the cylinder (that holds the U clips) and rounded out the open ends so I could get the U clips in easier. Then a wire brush attachment on the drill to clean the slot in the back plate. Followed by copper ease.

It's all back together but I did brake the spring steel auto adjuster (that moves the ratchet) off the handbrake lever whilst trying to bend it back into shape(yes I know spring steel only bends one way!), no idea how it got out of shape initially but it had to be tried because it was chaffing/scratching on the inside of the drum. I'll just have to whip the drum off every few months to manually adjust them.

So I just have to go back after dinner, bleed the brakes and find out where the handbrake adjuster is then I think I'm done!

Thanks for the help from everyone.
----

[b_caswell]

Re: Rear Marina axle wheel brake cylinders...

You need to take up the adjustment at the wheel cylinder first other wise you will have a longer pedal travel you could drill a small hole in the back plate where the ratchet wheel is and use a small screw driver to adjust. some cars had a hole in the brake drum.

[David]

Re: Rear Marina axle wheel brake cylinders...

Thanks Ben, I did wind the adjuster out as far as I could and still get the drum on and did consider making a hole in the drum, but will leave that for another weekend, probably the next time I adjust them.

My main problem is locating a handbrake adjuster of som escort. I was surprised that the handbrake is worse not better after fitting new shoes!

[stevejgreen]

Re: Rear Marina axle wheel brake cylinders...

If your drums are slightly worn, the generated lip will stop the drum from sliding past the brake shoes. So tight when installing, but loose when located.
My guess is that the auto adjuster mechanism on a Triumph Dolomite are the same as a Marina so a possible source of parts. The Spring steel part you describe is certainly very similar. I wonder if other Triumphs use exactly the same Marina part. Only a parts number match will tell.

When I fitted a Dolomite Sprint axle, I noticed that the parts were substantially similar, only the length of the lever arm to which the handbrake cable attaches was different. I think some early Ford Cortinas had the same basic mechanism, all probably Lucas or Girling standard parts.

Rimmer Bros or other Triumph parts suppliers may be the way forward but you might have to change both sides to match.

[b_caswell]

Re: Rear Marina axle wheel brake cylinders...

It will depend on the builder but the cable adjustment should be at the front of the cable as in enters the marlin hand brake lever mounting bracket.

The shoes will need a bit of bedding in before they will be at their best even more so with new drums aswell. If your using used drums they will be tight to fit but once on the shoes will run on the worn section and wont be fully adjusted up. Thats one problem with auto adjusters when they do work its a b*****d to get the drums off again.

[b_caswell]

Re: Rear Marina axle wheel brake cylinders...

Two minds are better than one