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Title: Oh No...Not Again !! Post by Jonnycab on Oct 20th, 2011, 3:18am http://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl?board=Problems;action=display;num=1241134151;start= It's happened again, a couple of years (50K ish miles) later & exactly the same as before !! One minute driving along fine & the next....it's like something has gone pop inside the autobox & she's gradually not wanting to select second gear anymore, unless I go easy ??? Exactly the same problem as a couple of years ago & me thinks that the 'transmission specialist' that I took it to before, has fitted a cheapo servo seal that has now blown & is causing a pressure problem when the autobox tries to select second gear :-/ That's my diagnosis anyway ;) I'm gonna give it a go myself before I call in the big boys, but am not certain which servo piston serves the second gear....front or centre... 10 & 11 on this page (http://www.fordscorpio.co.uk/manual/autotrans/A4LDEDescript.pdf) Also, where would I buy a new servo/seal from ? Any advice, would be nice :) |
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Title: Re: Oh No...Not Again !! Post by Simmo on Oct 20th, 2011, 7:19am Jon, Sorry to hear about your troubles. All the best. Mike. :) |
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Title: Re: Oh No...Not Again !! Post by gozz on Oct 20th, 2011, 9:17am JC. Have you spoken to "The'ol Bear" ?, he will definitely know. GOZZ. |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 20th, 2011, 1:35pm Sorry about that Jonny, what a bummer :( Dave's "The Man" I think too ain't he? ;D |
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Title: Re: Oh No...Not Again !! Post by Jonnycab on Oct 20th, 2011, 2:05pm on 10/20/11 at 09:17:00, gozz wrote:
The'ol bear ? |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 20th, 2011, 2:58pm Dave2302 |
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Title: Re: Oh No...Not Again !! Post by Dave2302 on Oct 21st, 2011, 1:54am Centre Servo Jonny, buy it from Sussex Autoparts, Hailsham, but there are lots of different sizes, so you need to clean the cover and get the code.............. It will be 2 letters AB or somesuch, that will tell them what size you need :) Cheers Dave |
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Title: Re: Oh No...Not Again !! Post by Simmo on Oct 21st, 2011, 7:35am Jon, their web site is Here (http://www.sussexautos.co.uk/). Looks like you can get an on line catalogue. They are a few miles away from me so if I can help in any way call me. Good luck, Mike. UPDATE: I've rung them and, given the detail which Dave has mentioned, they can supply and would have in stock. HTH. ;) |
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Title: Re: Oh No...Not Again !! Post by Jonnycab on Oct 21st, 2011, 10:47am Thanks for that Dave, I did speak to an autobox specialist yesterday & he told me he was certain that it was the centre servo (one nearest the rear), so thanks for confirming it :) Thanks for the parts info chaps, if I can't source one locally (need it in a hurry), then I'll ring them :) |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 21st, 2011, 11:42am So, what, it's blown its seal? Is this servo replacable from the outside? |
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Title: Re: Oh No...Not Again !! Post by Jonnycab on Oct 22nd, 2011, 12:26am It's defo a blown servo seal as you can see.... http://i70.photobucket.com/albums/i101/jonnycab/PA180436.jpg But why it would go like this after only being fitted a couple of years ago is anyones guess (it's a Ford part).....And that great big chunk of rubber that's missing is nowhere to be seen. It wasn't in the cap, so I can only assume it's somewhere in the gearbox ??? ......unless this is the original seal & the trans specialist who said they replaced it a couple of years ago just pulled the cap off & filled it with vaseline or similar in the hope it would last longer than I would own the car :-/ Dave 2302, what's your professional opinion ? :)....the rubber is pretty hard. Mike H, you can see the servo cap if you get under the car & you can also remove the circlip ring (it's not easy though), but getting the piston out is impossible without further surgery, as the transmission tunnel stops it coming out all of the way ;) I did consider bashing the transmission tunnel with a hammer (lump in the footwell ::)), even considered pulling the carpet up & cutting a hole in the footwell to access it & weld it back later ;).....but decided to do it properly, well kind off ;) Had to remove the gearbox mounting cross member (box held up on a jack) & drop the box as far as it would go without stressing the prop, exhaust etc too much....& then lever the box sideways with a bar (side impact bar from an old rear door against a piece of wood protecting the trans tunnel) & that gave enough clearance to get the servo piston out. Managed to get a new Ford piston, cap (old one was scored) & new cap 'O' ring for a tenner from a local trans specialist....new old stock they'd had on the shelf for a while. If anyone is wondering, I did ring Ford & the part is now obsolete ::) Anyway, I'll stick the new piston in tomorrow & let y'all know if it's cured the problem :) |
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Title: Re: Oh No...Not Again !! Post by Simmo on Oct 22nd, 2011, 7:33am Good to hear you're on the way to fixing it Jon. Lets hope it sorts the problem. Be interesting to see what Dave thinks about the photo. :) |
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Title: Re: Oh No...Not Again !! Post by gozz on Oct 22nd, 2011, 10:19am Looks as though it was ripped during fitment ? :o |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 22nd, 2011, 10:52am Hell fire.... |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 22nd, 2011, 10:59am Yeah looks like gouged with a screwdriver levering it out or something, not "normal wear" surely |
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Title: Re: Oh No...Not Again !! Post by Dave2302 on Oct 22nd, 2011, 2:55pm Hi Jonny, That is an OLD Second Hand Piston that was fitted, the older ones do go like that, it's not damaged in fitting, the fluid pressure gets underneath and rips it because the old type de laminate.............. Seen it a million times, it's my bet that whoever did the job didn't have the right size in stock so they just took a second hand one out of an old "Core Unit" ;) A Brand New one woud have lasted far far longer............... Unfortunately there is Auto Box Specialists and then there is "Auto Box Specialists" >:( Yes Jon they are a bit tight to get out but what you did is exactly what I do if I need to change them. Glad you're sorted, Cheers Dave |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 22nd, 2011, 7:41pm Well I never! |
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Title: Re: Oh No...Not Again !! Post by Jonnycab on Oct 23rd, 2011, 1:02am Dave, so you reckon that they fitted a second hand one....the rotton scoundrels ::) I suppose it's possible if they didn't have a new one, but that was 2 & a half years ago & they did only charge me £97....so not too many complaints I suppose ;) The weird thing is though, I bought the new one from the same trans specialist & it is a brand new identical Ford part (well, new old stock as Ford have now discontinued it). The trans specialist is a well renowned & recommended specialist that has been in business for many years. I wonder what the production date is on these things & whether they don't last as long as they should due to a limited shelf life ? :-/ Also, what do you mean by 'de-laminate' ?....the new one I bought looks fine, it's a much more snug fit & the rubber isn't hard/brittle at all, but will it last ? The pic below is the new one (left) & old one (right) http://i70.photobucket.com/albums/i101/jonnycab/PA180442.jpg I'm now starting to worry that I may have fitted a new seal that has sat on a shelf for years & might quickly deteriorate after a few thousand miles :-/ Anyway, the thing is fitted now & the gearbox etc all bolted back up, but I don't know if it's sorted the problem as I haven't had a drive yet... Reason why ?.....being a complete & utter dope :P, I completely forgot to buy any dexron III to replace the 3 litres or so that was lost when replacing the piston & by the time I finished, it was too late. The local motor factors were shut...DOH !!! ::) Will let y'all know tomorrow if it's 'job done' :) |
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Title: Re: Oh No...Not Again !! Post by Andycan on Oct 23rd, 2011, 11:04am Hi Jonny If the rubber isn't hard it should be ok. With time they will harden and become less effective. As with any part you can get the odd one that is not upto standard and thus doesn't last as long as is should do. |
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Title: Re: Oh No...Not Again !! Post by Jonnycab on Oct 23rd, 2011, 5:11pm Right then.....I am happy to report that the operation was a complete success & 2nd gear has made a full recovery :D Cheers guys for all the help ;) |
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Title: Re: Oh No...Not Again !! Post by Dave2302 on Oct 23rd, 2011, 5:50pm Great to hear that Jon, Glad yr back on the road ;) Cheers Dave |
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Title: Re: Oh No...Not Again !! Post by Dave2302 on Oct 23rd, 2011, 6:00pm on 10/23/11 at 01:02:07, Jonnycab wrote:
1..........That's the only reason I can think that it failed so quickly, they normally last at leas 70,000 miles when new !! 2..........No idea mate, I'm not slating them and the price was very good, but it really should not have gone hard that quickly :) 3..........The rubber bit is bonded to the metal during manufacture, Ford produced a batch about 20 years ago that weren't up to scratch and as they went hard oil pressure would get betwen the metal and rubber and force it apart, making a big split exactly like the one in your picture ;) I wouldn't worry about getting them in the future, alhough Ford UK list them as NLA, the Auto Box Parts Specialists in this country all buy in from America, companies like Trans Star produce pattern ones which are just as good ;) Regards Dave |
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Title: Re: Oh No...Not Again !! Post by Simmo on Oct 24th, 2011, 7:11am Great news JC. Well done, Mike ;D |
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Title: Re: Oh No...Not Again !! Post by Andycan on Oct 24th, 2011, 11:09am well done JC I know who to come to when mine goes now lol. |
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Title: Re: Oh No...Not Again !! Post by Mike H on Oct 24th, 2011, 9:25pm Ditto my congrats ;D |
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