Jaguar World Monthly Forum - Rear brake pads/discs

Leo_Denmark

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Rear brake pads/discs
13.03.2012 at 07:33:54

Hi

I have rear brakes with rusty discs, so something is not working properly. I hope it's just caliper guides sticking, but we will see...
The car should be back from paintshop to mechanic today, so I guess I will have it tomorrow.

As I'm getting pretty close to the deadline for MOT, I better order the parts I am likely to need. Basic parts like discs and pads can probably be found in Denmark, but at a pricelevel above original in UK = too expensive.

So, what will I need ? VIN ends in 660xxx, so it's an early 92 with battery in enginebay.

Discs JLM 1830
Pads JLM 1833
Anything else ? Or should I just take a deep breath and wait until the car is hoem and tkae it apart. Well, maybe the best solution... Grin

Haynes says 'same procedure applies to front/rear', and I have done front w/o problems, so I expect to be able to handle this as well...

Well, this turned out to be myself talking to myself, but if you have any inputs,you are very velcome... Cool

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Leo Jensen, Denmark XJ 40 3.2 1992 - Citroën 2CV 1975

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covkid

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Re: Rear brake pads/discs
Reply #1 - 13.03.2012 at 09:06:35

Leo,

I bought a pair of Brembo rear discs (which I believe are OEM - their part number was 08.5698.10) direct from a Brembo distributor which cost about £60 GBP the pair - half the price of the Jaguar part numbered items from a dealer.

If you check the JDHT web site parts catalogue, you will see that the rear discs JLM1830 have been superseded by JLM12424 at £95.85 each + tax and shipping (HEAVY!).

I always buy OE pads JLM1833 (now £23.10 + tax etc) and you may find that you need the pad wear sensor on the right rear (DBC6596 at £10.65 + tax etc)

When you get it apart, you need to check the hand-brake shoes etc. A replacement set of those comes quite expensive - JLM2209 at £116.45 + tax etc

Getting the rear discs/drum off can be a PITA.

[P S - Don't forget to slacken off the handbrake shoe adjusters in the drum before you attempt to remove the disc]

I have always had to use a very heavy lump hammer to knock them off . They corrode badly to the hub and virtually 'weld' themselves on! Ruins the removed disc of course and make sure you wear protective eye-wear in case they shatter.

On reassembly, clean up the calliper guide pins in an electric drill to remove the surface corrosion. If they are heavily pitted, you will need new ones - JLM2249 at about £16 + tax etc. Reassemble with 'copper slip' grease on new ones or after cleaning up the old ones.

Good luck! Wink

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Leo_Denmark Senior Member Offline Posts: 462 Middelfart Denmark. Gender:	Re: Rear brake pads/discs Reply #2 - 13.03.2012 at 11:17:21 Excellent Covkid. Lots of details, that will help me I considered not buying original discs, as the price difference is huge, but Brembo at £60 sounds like the right choice. Could you provide me contact to your supplier ?? Handbrake works fine, so I hope that it's OK.
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Leo_Denmark Senior Member Offline Posts: 462 Middelfart Denmark. Gender:	Re: Rear brake pads/discs Reply #3 - 13.03.2012 at 12:34:39 I guess this could be the discs to buy: http://www.ebay.co.uk/itm/REAR-Brembo-Brake-Discs-Jaguar-XJ-6-3-2-24V-Saloon-XJ-... £20 for shipping is quite fair for 10+ kg
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covkid

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Re: Rear brake pads/discs
Reply #4 - 13.03.2012 at 13:25:34

Leo_Denmark wrote on 13.03.2012 at 12:34:39:

I guess this could be the discs to buy:

http://www.ebay.co.uk/itm/REAR-Brembo-Brake-Discs-Jaguar-XJ-6-3-2-24V-Saloon-XJ-...

£20 for shipping is quite fair for 10+ kg

They look like the correct discs for your car - certainly the same Brembo part number as the ones I fitted to my '91.

I bought mine from a local battery(!) store who happen to be Brembo agents, but they do not have export facilities. Now that is a great pity because I've just phoned them and they have a pair of 08.5698.10 discs in stock and are quoting £41.74 (plus VAT at 20% of course) - and that is cheaper than I paid for mine 9 years ago!

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Leo_Denmark

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Re: Rear brake pads/discs
Reply #5 - 13.03.2012 at 13:52:35

There should not be much to exporting as both our countries are inside the EU, so it should just be to send it with UPS, DPD, Royal Mail or an other parcel service. No special paperwork is needed. I guess it can be shipped for £20 (or less) as the Ebay-guy charges that amount, so it's just a question if they want to do that or not.

I understand if they say no, as it will cost them some time to arrange the shipping, when thats not something they normally do.

Covkid: If you feel like taking the shipping job we can split 50/50 the money I save compared to the discs on Ebay... Wink

And if you put in a set of original brakepads in the box, you can have all the saving, as I will have to pay shipping on them as well. Cheesy

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Leo Jensen, Denmark XJ 40 3.2 1992 - Citroën 2CV 1975

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covkid

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Re: Rear brake pads/discs
Reply #6 - 13.03.2012 at 15:20:13

Leo_Denmark wrote on 13.03.2012 at 13:52:35:

Covkid: If you feel like taking the shipping job we can split 50/50 the money I save compared to the discs on Ebay... Wink

And if you put in a set of original brakepads in the box, you can have all the saving, as I will have to pay shipping on them as well. Cheesy

Not sure that would be advantageous to you.

Either way we both would have to pay VAT at +20% and I would have to pay postage to get stuff to my place from JDHT or do two round trips of 50 miles in opposite directions (to pick up the pads from a dealer and brake discs from the battery store) which at 25mpg which would cost about 20 quid in petrol. By the time I had packed them for export (they only come in a flimsy cardboard packet which is inadequate for shipping) and paid upwards of £30 for 10kg or more on 5-day shipping I reckon my costs would be at least £100 and since I can only accept Western Union money transfer that would cost you over 1000 Kroner to pay me up front in GBP.

If you want me to proceed on that basis, send me your full postal address via PM so I can get proper quotes for shipping and advise you of the total cost of supplying pads and discs. On receipt of the money via Western Union I will purchase the stuff and ship it out - at cost! Grin

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Leo_Denmark

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Re: Rear brake pads/discs
Reply #7 - 13.03.2012 at 16:44:29

covkid wrote on 13.03.2012 at 15:20:13:

Leo_Denmark wrote on 13.03.2012 at 13:52:35:

Covkid: If you feel like taking the shipping job we can split 50/50 the money I save compared to the discs on Ebay... Wink

And if you put in a set of original brakepads in the box, you can have all the saving, as I will have to pay shipping on them as well. Cheesy

Not sure that would be advantageous to you.

Either way we both would have to pay VAT at +20% and I would have to pay postage to get stuff to my place from JDHT or do two round trips of 50 miles in opposite directions (to pick up the pads from a dealer and brake discs from the battery store) which at 25mpg which would cost about 20 quid in petrol. By the time I had packed them for export (they only come in a flimsy cardboard packet which is inadequate for shipping) and paid upwards of £30 for 10kg or more on 5-day shipping I reckon my costs would be at least £100 and since I can only accept Western Union money transfer that would cost you over 1000 Kroner to pay me up front in GBP.

If you want me to proceed on that basis, send me your full postal address via PM so I can get proper quotes for shipping and advise you of the total cost of supplying pads and discs. On receipt of the money via Western Union I will purchase the stuff and ship it out - at cost! Grin

I think we just stop our negociations here... Grin

Still: Thanks a lot for the advice. Mechanic just called: Car is ready for pickup tomorrow afternoon. Grrreeeaaatt, it has been away for 5-6 weeks now Cool

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Leo Jensen, Denmark XJ 40 3.2 1992 - Citroën 2CV 1975

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Leo_Denmark Senior Member Offline Posts: 462 Middelfart Denmark. Gender:	Re: Rear brake pads/discs Reply #8 - 14.03.2012 at 10:07:37 covkid wrote on 13.03.2012 at 09:06:35: Leo, Getting the rear discs/drum off can be a PITA. Good luck! I had wheel bearings changed a few years ago by a workshop. I suppose that operation requires removal of discs ? If yes, then they should not be completely stuck again by now...
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covkid

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Re: Rear brake pads/discs
Reply #9 - 14.03.2012 at 10:19:00

Leo_Denmark wrote on 14.03.2012 at 10:07:37:

covkid wrote on 13.03.2012 at 09:06:35:

Leo,

Getting the rear discs/drum off can be a PITA.

Good luck! Wink

I had wheel bearings changed a few years ago by a workshop. I suppose that operation requires removal of discs ?
If yes, then they should not be completely stuck again by now...

Leo, you are an optimist Grin

!

You have forgotten how quickly Jaguars rust! Have a heavy hammer ready, just in case. Wink

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Leo_Denmark

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Re: Rear brake pads/discs
Reply #10 - 14.03.2012 at 10:52:28

covkid wrote on 14.03.2012 at 10:19:00:

Leo_Denmark wrote on 14.03.2012 at 10:07:37:

covkid wrote on 13.03.2012 at 09:06:35:

Leo,

Getting the rear discs/drum off can be a PITA.

Good luck! Wink

I had wheel bearings changed a few years ago by a workshop. I suppose that operation requires removal of discs ?
If yes, then they should not be completely stuck again by now...

Leo, you are an optimist Grin

!

You have forgotten how quickly Jaguars rust! Have a heavy hammer ready, just in case. Wink

Hammers are always ready, as are levers and a bit of heat, just in case.
The workshop that did the bearings normally do things the oldfashioned way and I would therefore not be too surprised to see copper grease, where you expect me to find rust. We will see in a few days.

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Leo Jensen, Denmark XJ 40 3.2 1992 - Citroën 2CV 1975

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Leo_Denmark Senior Member Offline Posts: 462 Middelfart Denmark. Gender:	Re: Rear brake pads/discs Reply #11 - 14.03.2012 at 18:36:34 My rear brake in pretty bad shape... Could you confirm that we have found the correct disc type from this photo ?
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covkid

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Re: Rear brake pads/discs
Reply #12 - 14.03.2012 at 19:21:40

Leo_Denmark wrote on 14.03.2012 at 18:36:34:

My rear brake in pretty bad shape...
Could you confirm that we have found the correct disc type from this photo ?

Wow! Leo - that looks pretty bad. Better investigate those calipers pretty closely.

The disc looks the same as mine except that with a Brembo replacement you will probably not have the hole for the countersunk screw with a cross-head you see at the 8-o-clock position in your picture. That is because the screw is only useful during new build to retain the disc in place on the production line before they put a wheel on. It is the wheel lug nuts which hold the disc in place on the road.

Anyway if you order Brembo part number 08.5698.10 they will fit.

BTW, it is a good idea to fit a couple of nuts on the wheel studs to hold the disc firmly and squarely in place while you are fitting the brake caliper and adjusting the handbrake - and do not forget to keep centring the brake shoes by applying the handbrake while doing that adjustment. Adjust both wheels simultaneously to get the same amount of 'rub' on each side with the handbrake lever pulled up a couple of clicks to ensure they are properly balanced without relying too much on the cable yoke for equalising the braking.

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Leo_Denmark

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Re: Rear brake pads/discs
Reply #13 - 14.03.2012 at 19:32:25

covkid wrote on 14.03.2012 at 19:21:40:

Leo_Denmark wrote on 14.03.2012 at 18:36:34:

My rear brake in pretty bad shape...
Could you confirm that we have found the correct disc type from this photo ?

Wow! Leo - that looks pretty bad. Better investigate those calipers pretty closely.

The disc looks the same as mine except that with a Brembo replacement you will probably not have the hole for the countersunk screw with a cross-head you see at the 8-o-clock position in your picture. That is because the screw is only useful during new build to retain the disc in place on the production line before they put a wheel on. It is the wheel lug nuts which hold the disc in place on the road.

Anyway if you order Brembo part number 08.5698.10 they will fit.

BTW, it is a good idea to fit a couple of nuts on the wheel studs to hold the disc firmly and squarely in place while you are fitting the brake caliper and adjusting the handbrake - and do not forget to keep centring the brake shoes by applying the handbrake while doing that adjustment. Adjust both wheels simultaneously to get the same amount of 'rub' on each side with the handbrake lever pulled up a couple of clicks to ensure they are properly balanced without relying too much on the cable yoke for equalising the braking.

Thanks again Covkid, I really appriciate your advice

Yes, they look a lot worse than when I mounted winter wheels 4-5 months ago, so this was a bad surprise...
I will order the disc and pads and take things apart in the weekend and see if I need more...

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Leo Jensen, Denmark XJ 40 3.2 1992 - Citroën 2CV 1975

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XJ40S Senior Member Offline Posts: 1908 Sheffield Gender:	Re: Rear brake pads/discs Reply #14 - 16.03.2012 at 16:04:11 I have always had discs & pads (shoes as well) from David Manners or British parts. Only about £25 a disk & £20 ish for a set of pads. Never had any problems with them. Usually Lucas, Mintex, GKN or some other well know make (I think GKN may be original Jag) Cheers
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