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Jun 24, 2012 13:10:44 GMT
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W reg Jag S Type V8 4,0 with the 5 speed auto - "Gearbox Fault" light is on, car is holding gears too long when cold (shifts fine when warm) and can be reluctant to shift into 5th. Any ideas? Sadly most of my google-fu on this brings up people who's only answer was to take it back to the dealer.  It sounds fluid-related to me? Although these boxes are "sealed for life" Car has 118K on it. Cheers |
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Last Edit: Jun 24, 2012 13:11:07 GMT by akku
1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Jun 24, 2012 13:20:38 GMT
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Replacing the fluid does not often fix these problems so would advise against wasting too much money on filters and replacement fluid. After the fault is repaired you would have to change the fluid then.
I'm down near London and run a garage. Usually when these problems come up we take the car to our local automatic gearbox specialist. Manufactures design the gearboxes so many of the little faults can be repaired without taking the gearbox out of the car. The automatic gearbox specialist has lots of experience with the sorts of faults which come up and loves it if you can bring in a car which is still driving as he is then able to see what the box is doing and can identify the problem quickly.
Of course getting the automatic gearbox specialist to look at the car costs money. Usually £200-£300 for repairing minor auto-box faults.
DUE TO THE COMPLEXITY... I tend to find it is more sensible to take it to the specialist and pay the money. Other DIY ways of attempting to fix these problems usually end in tears.
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ChasR
RR Helper
motivation
Posts: 10,309
Club RR Member Number: 170
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Jun 24, 2012 16:24:29 GMT
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Many Jag (and BMW specialists in the case of the E39 Series which I believe has the same gearbox) specialists say to walk away from a potential purchase with a gearbox fault displaying on the dash since there is a significant chance that a pricey rebuild is on the cards.
I'll ask my gearbox specialist next time in case it is something simple.
When my Stag was hanging onto gears (it was an older generation ZF I admit) the cause was down to swarf in the gearbox (fluid was clean) in addition to a couple of collapsed clutch packs. I know that in the more basic Borg Warner 'boxes items as small as threads from a rag are said to ruin a gearbox rebuild, so I dread to think how tolerant the newer items are (The Stag 'box was rebuilt at home by the previous owner...).
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Last Edit: Jun 24, 2012 16:27:33 GMT by ChasR
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Jun 24, 2012 16:32:26 GMT
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Yeah, suggestions of a better box from a scrappy and so on result in much nose-wrinkling. Buy a Lexus instead?  |
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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kevfromwales
Posted a lot
the conrod's REALLY out the block now!
Posts: 3,909
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Jun 24, 2012 16:48:46 GMT
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get pollitt to test drive it? he's a whizz with autoboxes  |
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Almost on the road: b11 sunny breadvan, e36 tds, 325i skidcar,
nearly there: ford f250 tathauler, suzuki alto, u11 bluey
not for a while: ford pop, 32 rails,
not in this lifetime: ruby, '29 hillman
''unfortanatly I'm quite old and scruffy and in need of some loving. my drive shaft needs a new boot....''
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stefan
Posted a lot
If it isn't broken fix it till it is
Posts: 1,598
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Jun 24, 2012 18:45:11 GMT
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Not looking good for a cheep fix then this, shame as it is a loverly looking car and cheep to
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POWER IS EVERYTHING WITHOUT CONTROL
1985 Honda jazz
1997 Saab 93 convertible
2010 transit 280
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10mpg
Club Retro Rides Member
Posts: 4,253
Club RR Member Number: 204
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Jun 24, 2012 23:32:46 GMT
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I've had a couple of BMW gearboxes in with these sort of silly problems, a filter and fluid change often sorts it out, sealed for lif is Bullplop, all that means is there no dipstick and sump plug, messy job, but the yanks ignore the 'sealed' comment and change it every 50k..
It's a curse word to do but not hard just messy and long winded
Also even BMW admit it's a good idea to change it.. but at £30ish plus VAT a litre and up to 12 litres needed it can get dear, comma sell it for about that for 5 litres though..
I actually think these modern solenoid controlled boxes are simpler than the old ones, no maze of ball bearings and tiny little channels in the valve body, just a pump and a row of pressure solenoids, all controlled by an ecu
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The Internet, like all tools, if used improperly, can make a complete bo**cks of even the simplest jobs...
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Jun 25, 2012 13:06:02 GMT
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Alot of modern auto boxes have a oil temp sensor, that maybe the problem?
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Jun 25, 2012 22:12:44 GMT
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Jun 25, 2012 22:24:20 GMT
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Done oil and filter on my 2002 xj8, takes time but an easy job. Where in notts are you? I'm in derby!
Mine took 11 litres....
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The car was cheap, but not cheap enough for me to take a punt on. In fact even at "free" trying to fix a hooky autobox could quickly run me out of money.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Jun 26, 2012 10:13:39 GMT
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trying to fix a hooky autobox could quickly run me out of money. C'mon, it's probably a younger cousin of the box in one of your Yank tanks. What colour was it? |
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Jun 26, 2012 10:58:19 GMT
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blue. Its that one in the Newark Autojumble thread. Really nice, tidy car. 118K miles, fully loaded. A dud autobox in a yank can drain you of a pile of cash very quickly. The S Type isn't worth spending that money on even if I had it.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Jun 26, 2012 12:03:36 GMT
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Having twice made the mistake of buying cars with busted slushboxes and thinking "yeah, I'll fix that!" I think my preferred method of fixing this one would be to use a large bargepole.
For someone less jaded and more knowledgeable than I, it could make a good cheap motor, but I'd be inclined to file it under "sod that"
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There was one with working box but some minor cosmetic issues, faulty air con and a bad wheel bearing bid at £200 on eBay. I messaged the guy about it but he never replied. It was only in Cotgrave so worth a look.
How you going to get a decent price for a car if you don't get back to people. meh
Nice cars but I can't help thinking a Lexus is a better idea all round.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Erm isn't an of the rest of the fleet running at the mo?
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