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| 4x4abc Date registered: Apr 2006 Location: La Paz, Baja California, Mexico Vehicle(s): 02 G500  | RE: Photo DIY- Front Caliper Rebuild- W460 Perrot Patrick, the upper and lower bolt for the 460 and, 461 and early 463 have different torque numbers. Possibly the WIS is wrong and later 463 have different torque values as well. Could not check the WIS - my Windows machine died (man, I love my MACs!), but the pre WIS paper version gives the wrong torque number for the Loctite bolt (14x1.5) and does not acknowledge 2 different bolts. Don't know if the late model 463 have two different size bolts - early 463 had 16x1.5 and 14x1.5 (like the 460 and 461). the paper manuals only indicate use of new bolt for the smaller Loctite bolt - not the larger 16x1.5 bolt. Edited by 4x4abc 11/12/2008 11:56 AM (460.jpg) (early 463.jpg) (later 463.jpg) Attachments ----------------  460.jpg (83KB - 37 downloads) early 463.jpg (61KB - 38 downloads) later 463.jpg (68KB - 30 downloads) | |
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350  | ||
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| DUTCH Administrator Doppelgänger Date registered: Apr 2006 Location: US, GA, Atlanta Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter Posts: 9963 | ||
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| 4x4abc Date registered: Apr 2006 Location: La Paz, Baja California, Mexico Vehicle(s): 02 G500 | ||
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| DUTCH Administrator Doppelgänger Date registered: Apr 2006 Location: US, GA, Atlanta Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter Posts: 9963 | RE: Torque Values - 02/2008 WIS 4x4abc - 11/12/2008 1:33 PM Steering Knuckle = Joint Housing? if not, what is the Steering Knuckle? Not sure. It's the nomenclature used in the attached WIS document. Attachments ---------------- Brake Caliper.pdf (115KB - 67 downloads) | |
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| elevatorbernie Expert Date registered: Aug 2006 Location: Vancouver B.C. Canada Vehicle(s): 1989 280GE Posts: 1347 | Re: Photo DIY- Front Caliper Rebuild- W460 Perrot elevatorbernie - 11/11/2008 10:32 PM I would guess that the bolts are one time only because they become deformed when torqued to spec. and if reused, the proper holding abilitilty may be compromised even if re-torqued to spec. again.  | |
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | RE: Photo DIY- Front Caliper Rebuild- W460 Perrot While rebuilding my Perrot front calipers, I splitted the calipers for proper removing and cleaning of the brake cylinders and bores. I know this isn't recommended by Mercedes and so also the 'square' o-ring that seats between the caliper halfs isn't servicable. I know from some Suzuki brake rebuilds I did, that the same kind of o-ring is used. Ordered some and these fit ok in the Mercedes calipers. I measured the new Suzuki one with the old Mercedes one, but the Mercedes one was a little deformed after 25 yrs of compression I think, All dimension (inner and outer diameter and thickness were not more than 1 or 2 tenths of millimeter difference . Anyway, my Suzuki o-rings fitted the small bore in the M-B caliper ok, so I will mount these and put them to the test. pn. Suzuki is 69107-34200, price about $7,- / piece. Bram (DSCN7429p.JPG) Attachments ---------------- DSCN7429p.JPG (89KB - 35 downloads) | |
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | ||
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | ||
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | Re: Photo DIY- Front Caliper Rebuild- W460 Perrot G-AMG - 12/17/2008 3:45 AM Bram, I remember JJ having trouble like you describe. Here was his nice "home-made" tool which seemed to solve the problem: http://www.pointedthree.com/disc/forums/showthread.php?tid=11564&po... Be sure you pack the "moat" half-way with the Paste. Good Luck! thanks for the link, however, new questions have emerged  haha, but seriously: Framenumber of my 1982 300GD is 460-323-17-021789 Front-axle number is 7013455 Front calipers are Perrot. I was rebuilding my brakes and used the EPC to order a brake rebuild set: - clicked no. '32' at FrontBrake overview; - then ordered A 000 420 66 83 for a complete set incl. pistons. Note: A 000 420 68 83 is the seal kit for Perrot brakes. I figured A 000 420 66 83 would be the Perrot seal kit incl. the pistons. - see pic for my dust seals. Looking at topic of http://www.pointedthree.com/disc/forums/showthread.php?tid=11564&po... and http://www.hehlhans.de/bilder/autos/g240/bremsevo/repsatz1.jpg I believe I got the wrong seals. - went to the M-B dealer. Couldn't find anything wrong with my ordering process. The complete pn. on my 'rebuild kit box' is A 000 420 66 83 0064 btw. Questions are: - what should be the pn. for the Perrot rebuild kit. Did M-B mess up or what? thanks, Bram (epc_bremsen2.jpg) (epc_bremsen.jpg) (epc_bremsen3.jpg) Attachments ---------------- epc_bremsen2.jpg (51KB - 30 downloads) epc_bremsen.jpg (94KB - 24 downloads) epc_bremsen3.jpg (135KB - 26 downloads) | |
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | RE: Photo DIY- Front Caliper Rebuild- W460 Perrot Hmm, I looked back on my post. I try hard to get part numbers and things in the photos, for circumstances such as these... Looking back, the part# I used on MY PERROT calipers was: 000 420 68 83 (18.JPG) Attachments ---------------- 18.JPG (74KB - 23 downloads) | |
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | ||
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| Inkblotz Expert Date registered: Apr 2006 Location: Georgia Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo Posts: 3187  | ||
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | ||
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | RE: Photo DIY- Front Caliper Rebuild- W460 Perrot Bram, Sorry, now I understand what you mean, you are looking for the WHOLE set, not just the Rubbers.. Well, here is the EPC for my VIN. If you give me yours, I'll run your number. But, I am wondering if your Axle number may be BEFORE the footnoted axle numbers. Thus, the A 000 420 66 83 part number DOES NOT APPLY TO YOUR TRUCK. (Caliper.JPG) Attachments ---------------- Caliper.JPG (97KB - 27 downloads) | |
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | ||
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| petermerle Expert Date registered: Apr 2006 Location: Cape Town ( deep south ) Vehicle(s): W460 *1, W123 *2, W124 Posts: 1315 | ||
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | RE: Photo DIY- Front Caliper Rebuild- W460 Perrot Well, I guess you are stuck getting the pistons as individual items. Here are the numbers. (Pistons.JPG) Attachments ---------------- Pistons.JPG (42KB - 29 downloads) | |
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| EuroTruck Extreme Veteran Date registered: Apr 2006 Location: Oakwood, Georgia - USA Vehicle(s): 2012 Audi A4 Avant S-Line, 2015 Ridley NOAH SL Posts: 518  | Re: Photo DIY- Front Caliper Rebuild- W460 Perrot bram_r - 12/18/2008 8:50 AM Question is: when ordering a complete rebuild kit for Perrot calipers (incl. brake pistons), what is the M-B order number?
Hello Bram,
There is no complete repair kit, including pistons, for the Perrot / WABCO calipers, at least not that I know of. You must order the seal kit and pistons separately. Repair kit A 000 420 6683 applies to part numbers A 003 421 4998 and A 003 421 5098, which are TEVES / ATE calipers. For future reference, the seal rings for the brake fluid passages inside the caliper are p/n A 000 423 1560. The seals are 10mm OD X 6mm ID X 2mm height. MB does not recommend splitting the calipers on the G, but we all know that it can be safely and effectively done. MB does allow the UNIMOG calipers to be split open, therefore, we keep dozens of these small rings in stock for the UNIMOG folks, and the EPC actually shows these rings along with the UNIMOG calipers. http://www.eurotruck-importers.com/index.php?main_page=product_info&cPath=1_73&products_id=944 Now please, no more Suzuki parts on your G. Hope this help,
-Sean P. | |
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | Re: Photo DIY- Front Caliper Rebuild- W460 Perrot EuroTruck - 12/18/2008 5:03 PM bram_r - 12/18/2008 8:50 AM Question is: when ordering a complete rebuild kit for Perrot calipers (incl. brake pistons), what is the M-B order number?
Hello Bram,
There is no complete repair kit, including pistons, for the Perrot / WABCO calipers, at least not that I know of. You must order the seal kit and pistons separately. Repair kit A 000 420 6683 applies to part numbers A 003 421 4998 and A 003 421 5098, which are TEVES / ATE calipers. For future reference, the seal rings for the brake fluid passages inside the caliper are p/n A 000 423 1560. The seals are 10mm OD X 6mm ID X 2mm height. MB does not recommend splitting the calipers on the G, but we all know that it can be safely and effectively done. MB does allow the UNIMOG calipers to be split open, therefore, we keep dozens of these small rings in stock for the UNIMOG folks, and the EPC actually shows these rings along with the UNIMOG calipers. http://www.eurotruck-importers.com/index.php?main_page=product_info&cPath=1_73&products_id=944 Now please, no more Suzuki parts on your G. Hope this help,
-Sean P. thanks guys, for all your help, Since I never had any EPC problems/flaws before, I knew there had to be something... Strange I find that they list in the seal kits 'for Perrot' or 'for Teves', but for the complete rebuild kit they refer to partnumbers. While CD-EPC doens't allow reverse-search on partnumber, a little tricky to find out this 000 420 6683 kit isn't applicable to Perrot brakes. Even M-B dealer and their EPC help-desk didn't come up with this info. Should be a 'footnote' at least I'd say. Especially since the calipers have so clearly casted 'Perrot' in them, it was my reference together with the axle number. Thanks as well to those passage o-rings. I haven't mounted the Suzuki rings yet, so will go for the M-B rings for good measure. Anyway, got two sets of 000 420 6883 seal kits today so work can continue on the brakes. The M-B dealer asked me to return the 'wrong' seals for making a credit for that. Otherwise lesson learned I'd say. Bram | |
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