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Contourgirl
CEG'er

Reged: 08/16/02
Posts: 289
Loc: Western Wisconsin
Re: Tranny Problems new
#322477 (Re: RoadRunner) 06/19/03 02:32 PM

RoadRunner: With what you described to do, would this affect the tranny pressure if that is in fact the problem?
Thanks so much for the helpful information. I will relay the information to the guys. They have the books out and are studying the tranny to figure out what's going on. I didn't think it was electronic either.
Thanks again!

--------------------
1995 Contour LX
238,000 miles

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RoadRunner
Hard-core CEG'er

Reged: 03/11/01
Posts: 1603
Loc: Westchester Co., NY, USA
Re: Tranny Problems new
#322481 (Re: Contourgirl) 06/19/03 02:37 PM

Originally posted by Contourgirl:
RoadRunner: With what you described to do, would this affect the tranny pressure if that is in fact the problem?
Thanks so much for the helpful information. I will relay the information to the guys. They have the books out and are studying the tranny to figure out what's going on. I didn't think it was electronic either.
Thanks again!




If the pressure is there, the oil pump and the pressure regulator are working.
When you shift into reverse, there is a combination of valves that have to move
to apply pressure to the correct combination of clutches for reverse to engage.
The Oil pressure moves these valves ad well as applying pressure to the clutches.
If the valves are BINDING, no matter how much pressure you apply,
they won't move unless there is enough presure to overcome the BINDING force.

This is why it won't engage until you rev the engine over 2000 rpm.
Revving the engine spins the oil pump faster, and builds up MORE pressure.

--------------------
Pete...

2004 Mercury Marauder 300A
Black Clearcoat/Dark Charcoal LEATHER
DOB 10/31/2003
DOP 1/2/2004
www.mercurymarauder.net

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TourDeForce
Hard-core CEG'er

Reged: 03/04/03
Posts: 7117
Loc: West Palm Beach, FL - Going to Jupiter someday
Re: Tranny Problems new
#322554 (Re: Contourgirl) 06/19/03 03:37 PM

My first thought was a seal had not been properly seated during re-assembly. I crushed one when I rebuilt an old Mazda tranny & had to re-use the originals. Partial fluid bypass will prevent proper pressure buildup in different parts of the tranny - depending on which seal is damaged.

A broken/cracked seal might give similar symptoms, but I think that Roadrunner is on the right track - especially since they seem to feel the pressures are correct. While they're in there checking the valves, they can look for some crushed/broken/cracked seals.

I'm sad your Tour is not quite right yet, I know what a bummer that is. But at least you know what a great driving car you'll have after they're done.

Keep us updated. This has been an interesting intellectual exercise for me.

--------------------
Must be that jumbly-wumbly thing happening again.

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TourDeForce
Hard-core CEG'er

Reged: 03/04/03
Posts: 7117
Loc: West Palm Beach, FL - Going to Jupiter someday
ContourDOA new
#322566 (Re: contourDOA) 06/19/03 03:47 PM

Sounds like a Torque Converter / Converter seal problem - just like ContourGirl.

Just so we're clear. Does the car

A. Rev freely before going into gear?
B. Slowly begin to engage at high RPM then lurch forward?

Keep me updated on the progress - I find it facinating.

--------------------
Must be that jumbly-wumbly thing happening again.

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contourDOA
Newbie

Reged: 06/18/03
Posts: 4
Loc: Lawrenceville, IL
Re: Tranny Problems new
#326285 (Re: RoadRunner) 06/23/03 03:22 PM

When i stated that my contour is hesitating before shifting I mean that when I put my foot on the accelerator it revs up the engine and then it "kicks" into gear, with a lurch forward like i got smashed in the ass end by another vehicle. This PCM thing i have no clue about. I would hope the mechanic would know this, but not sure? He is beginning to sound less hopeful regarding the repair of the contour...he told me that he is running out of options if this PCM does not work. GREEEEEAT!

--------------------
"Long live the Contour"
-b


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contourDOA
Newbie

Reged: 06/18/03
Posts: 4
Loc: Lawrenceville, IL
Re: ContourDOA new
#326290 (Re: TourDeForce) 06/23/03 03:25 PM

yeah it is lurching all right. like i said in the previous post when it kicks into gear it feels like i got rear ended, kinda scary!!!! I'll suggest the torque converter to the mechanic, but if he rebuilt - replaced the tranny would this torque converter be a part of that repair?

--------------------
"Long live the Contour"
-b


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Contourgirl
CEG'er

Reged: 08/16/02
Posts: 289
Loc: Western Wisconsin
Re: ContourDOA new
#326422 (Re: contourDOA) 06/23/03 05:02 PM

You would have to request a new torque converter, they are kind of spendy, and not part of the rebuild kit (at least it wasn't in the kit I had them install, I think it costed around $175.00).
Also, I have a similiar issue with my tranny after the rebuild. When I put the car into reverse I have to rev it up to 2000 before the reverse will engage. And it does feel as you suggested.
Well, they guys were able to investigate further this weekend and they said they found the problem. They said it was a bad valve body. Beats me what it is, but they said they'd get the part and replace it this week. I'll keep you posted and tell you what I find out.

--------------------
1995 Contour LX
238,000 miles

Edited by Contourgirl (06/23/03 05:05 PM)

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bentleywarren
Hard-core CEG'er

Reged: 07/26/02
Posts: 1459
Loc: Atoka, Oklahoma
Re: ContourDOA new
#326557 (Re: Contourgirl) 06/23/03 06:50 PM

Keep us posted, please. When my engine/transmission is warm, I have to rev it to make it go into reverse. Sounds like a similar problem.



--------------------
95 Contour Zetec, ATX (wrecked, sitting in the barn)
95 Mystique Zetec, MTX
2000 Taurus SEL 3.0L Duratec
1994 Crown Victoria LX 4.6 V8
1993 Chevy Silverado 4.3 V6

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Contourgirl
CEG'er

Reged: 08/16/02
Posts: 289
Loc: Western Wisconsin
Re: ContourDOA new
#326578 (Re: bentleywarren) 06/23/03 07:08 PM

Yep! You guys will be the first to know if that is in fact the problem.
He said he is trying to get the valve body today, or whenever they can get it from the parts place they go to. I hope that fixes it!

--------------------
1995 Contour LX
238,000 miles

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unisys12
Hard-core CEG'er

Reged: 09/08/02
Posts: 3944
Loc: Corinth, MS
Re: ContourDOA
#326883 (Re: bentleywarren) 06/23/03 11:09 PM

Originally posted by bentleywarren:
Keep us posted, please. When my engine/transmission is warm, I have to rev it to make it go into reverse. Sounds like a similar problem.






Sounds like you have the same problem. You most likly have a worn valve body, which is causeing the piston needed to engage the Low/Reverse Clutch Assy to stick. This would cause a low pressure condition at the clutch pack, which would not allow the clutches to fully engaged properly. The reason it will engage when you tap the gas, after putting the car in reverse, is because when the engine spins up it increases the line pressure. This in turn, free's the sticking piston.

You could try some of the Lucas Oil trans fix to get you by until the time you can have the tranny rebuilt. Helped mine!

--------------------
Phillip Jackson
`98 Mystique LS
262K+ and counting...
ATX rebuilt @ 151K

"This storm has broken me, my only friend!" RIP Dime

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