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Topic: auto gear box (Read 522 times) |
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armatec
Full Member
ONE DAY I WILL UNDERSTAND THESE CARS!
 
 
Posts: 185
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auto gear box
« on: Feb 22nd, 2006, 11:29pm » |
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hi .. iv just been reading a post named"what does this do?".. anyway, the topic goes on to auto gearboxs.. and dave says "as long as d+r engage in reasonable time and without a bang... its ok " What does all this mean ????
mine takes up to 3/4 seconds when cold to engage(about 1 sec when warm) AND it does clunk SLIGHTLY (again only when cold) when i engage D or R..
i never thought i had any problem with the gearbox...it moves through all the gears super smooth and super quiet .... i didnt think i had any problems...
have i got anything to worry about ????
thanks (with a worried look on his face) kev
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1997 2.3 ULTIMA ESTATE
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nuttyscorp
Full Member
1998 (R) 2.3 ultima
Posts: 515
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Re: auto gear box
« Reply #1 on: Feb 23rd, 2006, 12:13am » |
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dont worry yourself prematurely kev  mine "jumps" into reverse, been doing it for the last 5 yrs i had it, apart from this the gearbox changes gear perfectly. although you shouldnt hear any bangs/cluncks etc in a perfect box.
if you are that concerned, give the box an oil and filter change.
hth
Russ
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project car :- "84" mk2 granada 2.8i ghia X TURBO (rs 500 box)
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Dave
Senior Member
Tourmallard 24v (ex-owner)
Posts: 1984
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Re: auto gear box
« Reply #2 on: Feb 23rd, 2006, 10:23am » |
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Alreet Kev,
I wouldn't worry too much about that. A reasonable time is just that, and may be a fair bit longer when cold. Mine certainly does take longer when cold. If, as you say, it changes gear smoothly and is quiet then I think your 'box is fine! As Russ says a fluid and filter change could make it even better.
Cheers
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Life after the Scorpio ain't easy..
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mr._floppy
Junior Member
Posts: 100
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Re: auto gear box
« Reply #3 on: Feb 23rd, 2006, 3:15pm » |
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3-4 seconds to engage when cold is at the limit of acceptability, the clunking ain't good though. If the box has done a high mileage then just live with it, but don't be too surprised when one day it gives a bigger clunk and refuses to move.
What likes the colour of the fluid ?
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Annelk
Newbie
2.3 Ghia X estate '98
Posts: 48
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Re: auto gear box
« Reply #4 on: Feb 23rd, 2006, 6:18pm » |
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Is it possible/advisable to blank off the autobox feed/return from the radiator to prevent any future contamination of the 'box?.... Mines fine at the moment (120K) with instant take off, but it's got me thinking on the consequences of a water leak.... 
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when flying....keep away from the edges
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Baw_Flinger
Full Member
Ex 2.3 owner..... Snif
Posts: 438
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Re: auto gear box
« Reply #5 on: Feb 23rd, 2006, 6:28pm » |
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Mine started taking longer to engage D until it gave up all together. Its OK on a cold start but gives up after a few mins. I have to select 1 or 2, it thuds in then I push it in to D to drive off. On my last scan about a month ago it showed a P0732 incorrect ratio in 2nd, which is fair seeing as it has no guts when in 2nd. All this time, the fluid has stayed good, now saving for a new or recon box job.
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mr._floppy
Junior Member
Posts: 100
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Re: auto gear box
« Reply #6 on: Feb 23rd, 2006, 7:12pm » |
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Annelk , do you have a theory about Dinosaurs ? 
( tedious Python in-joke )
The ATF has no risk of contamination with the coolant as the ATF cooler has a separate small radiator below the main coolant rad. ( Unless different on larger engined models )
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nuttyscorp
Full Member
1998 (R) 2.3 ultima
Posts: 515
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Re: auto gear box
« Reply #7 on: Feb 23rd, 2006, 7:42pm » |
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on Feb 23rd, 2006, 7:12pm, mr._floppy wrote:Annelk , do you have a theory about Dinosaurs ?
( tedious Python in-joke )
The ATF has no risk of contamination with the coolant as the ATF cooler has a separate small radiator below the main coolant rad. ( Unless different on larger engined models ) |
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mr._floppy is spot on, no chance of water getting in the box!
Russ
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project car :- "84" mk2 granada 2.8i ghia X TURBO (rs 500 box)
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nuttyscorp
Full Member
1998 (R) 2.3 ultima
Posts: 515
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Re: auto gear box
« Reply #8 on: Feb 23rd, 2006, 8:01pm » |
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..........mmmm...its got me thinking, no chance on a 2.3, but are the larger engines, paricularly the 2.9 12v have a different cooling system layout?
Russ
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project car :- "84" mk2 granada 2.8i ghia X TURBO (rs 500 box)
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leftofcentre
Guest
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Well on the 24v aswell as having the external cooler, the ATF pipes go through a heat exchanger integral with the rad also.
The idea of this is to get the fluid upto temp swiftly as opposed to cooling.
No harm in disconnecting it + bypassing i suppose. What would you gain in doing so tho?
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Annelk
Newbie
2.3 Ghia X estate '98
Posts: 48
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Re: auto gear box
« Reply #10 on: Feb 24th, 2006, 11:48am » |
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Hi gents,
Hmmm! I copy this from the coolant fault finding pages of our site...:
It is my experience that the coolant radiator can fail and allow a very small amount of coolant into the auto fluid, probably only in high temperature conditions. Symptoms included a very slow loss of coolant where a leak could not be detected anywhere, rapid and unexplained deterioration of the transmission fluid, followed swiftly by severe gearbox errors. This entire process took only a few months.
During the autobox strip down, the specialist found that the brake bands were dissolving and traces of rust had coated the bright steel parts - impossible unless coolant or water had been admitted. Water dissolves the friction material on the brake bands and damages the solenoid seals, and this explained the failure of the autobox in such a short time. The torque converter, every brake band and solenoid had to be replaced - as well as the coolant radiator. If you experience both a very slow loss of coolant that cannot be explained as well as the rapid deterioration of the autobox fluid on the dipstick, then replace the radiator and all of the transmission fluid and filter as a matter of urgency - this may save a lot of money.
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when flying....keep away from the edges
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Annelk
Newbie
2.3 Ghia X estate '98
Posts: 48
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Re: auto gear box
« Reply #11 on: Feb 24th, 2006, 11:52am » |
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[quote author=mr._floppy link=board=Problems;num=1140650977;start=0#6 date=02/23/06 at 19:12:08]Annelk , do you have a theory about Dinosaurs ?
( tedious Python in-joke )
I have a theory..... Dinosaurs are thin at one end....much ,much thicker in the middle....and then thin again at the other end.... that is my theory, that I have... and it is mine.... 
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when flying....keep away from the edges
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howiedintheplace
Senior Member
Based near Evesham
Posts: 1194
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Re: auto gear box
« Reply #12 on: Feb 24th, 2006, 12:14pm » |
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A auto oil & filter change will often cure the selecting problems you guys are talking about.
Espically if high miles are involved.
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Dave
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