North American Turbocoupe Organization



A4LD Problems
BirdJunkie Offline
Senior Member
#1
I was driving the car to go get it registered and saw a bunch of smoke in the rear view.I wasn't running it hard ,just normal driving.When I pulled over it was dripping fluid from the passenger side of the trans. When I was driving home it seemed like it would only make a smoke screen at higher rpm s.( above 2000 or so )I got home and it looks like it is pushing fluid out of the filler tube.I had my son how the brakes and give it some gas,and after about 15 seconds fluid started to gush out,make the biggest smoke cloud ever...and of course BURST into flames..hahaha..not funny, but it is.I then put out the blaze,checked under the hood and nothing got burnt. (thank god) I haven't done anything else with it,I'm just fustrated with it. Fluid was at operating range. So my question is, what would cause it to do this?
88 TC 5SPD BLACK MY BABY ORIG.OWNER(garage queen)/06 GTO 6SPD RED WIFES CAR(cop magnet...lol)/2011 TAHOE WHITE (wifes daily driver a.k.a Fifty Cent)/2016 SUPER DUTY RED(my daily driver a.k.a BIG red)/06 HAYABUSA (SEXY BITCH)..STATEFARM LUVS ME. ----N.A.T.O Bad Boy Division President----
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gadgetolds Offline
Posting Freak
#2
I only have a couple words for ya Eric, and I believe you know what they are!!!
1988 Turbo Coupe - A237 cam, K&N Cone, T3(.60-.63), 255 Walbro, Gillis BV, gutted and knifed intakes, ported e6, 3" elbow/dp to dual 2.5s, Kirban and spearco fmic.

Up next, ported head, t3/t4 upgrade.
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cnpowell Offline
Senior Member
#3
The modulator is probably bad .... damaged or cracked diaphram. They are quite easy to replace and don't cost that much.
Carl (cnpowell)
No TC at the moment .... planning to get another in '18
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Cerebral Offline
Senior Member
#4
If its the modulator, its only 20 bucks, and it has 1 bolt. Being 20 years old, id suspect it.
1987 Automatic TC- parts car

1987 5 Speed TC, K&N on Vam,Boost controller, T3, Bob's Log, Stinger 3 inch exhaust with Magnaflow, FMIC, Forge Dual Piston B.O.V., Ranger Roller, Esslinger Adjustable Pulley, Boport Drop in Valve Springs, Pyro Pete Clutch
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TurboCoupe50 Offline
Posting Freak
#5
So how does a bad modulator push fluid out of the fill tube??? Can't see that as the problem...
1988 Turbo Coupe331 AOD

1972 Comet GT

1969 Fairlane Cobra 428CJ 4-Speed
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cnpowell Offline
Senior Member
#6
Not sure if it will force the fluid out of the fill tube or not but the vacuum will pull it into the engine causing the white smoke. It happened to me a couple of times. I pulled the tranny vacuum line off of the vacuum manifold and there was quite a bit of tranny fluid in the vacuum line.
Carl (cnpowell)
No TC at the moment .... planning to get another in '18
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BirdJunkie Offline
Senior Member
#7
The smoke was caused by the trans fluid getting on the hot manifold,not out the exhaust. I guess I'm going to get a modulator and try that first,I just don't know what is going on. I s there some kind of vent that may be plugged? I don't remember if there was one on top of the trans or not.
88 TC 5SPD BLACK MY BABY ORIG.OWNER(garage queen)/06 GTO 6SPD RED WIFES CAR(cop magnet...lol)/2011 TAHOE WHITE (wifes daily driver a.k.a Fifty Cent)/2016 SUPER DUTY RED(my daily driver a.k.a BIG red)/06 HAYABUSA (SEXY BITCH)..STATEFARM LUVS ME. ----N.A.T.O Bad Boy Division President----
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cnpowell Offline
Senior Member
#8
I don't remember a vent. Maybe, the tranny is being pressurized somehow .... not sure how. Try disconnecting the vacuum line and hold the brake while giving it a bit of gas .... see what happens. Maybe, the modulator acts as a pressure relief valve also .... just a thought.
Carl (cnpowell)
No TC at the moment .... planning to get another in '18
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zbird Offline
Posting Freak
#9
If the diaphram on the modulator bust it lets fluid thru to the vac line. If its leaking there you need to replace the vacuum line. Normally it will suck trans fluid up into the intake and the car will burn trans fluid causing it to smoke.
Dom Z
88 T/C med grey. 140 MPH Speedo, Kirban FPR, Gillis valve,Tripminder, K&N.
87 T/C Silver, Auto (project Daily driver)
99 F150 4x4
14 Ford Escape 2.0L Turbo
IF YOU DRIVE A FORD YOU DON'T NEED A GOODWRENCH!!
88 T/C http://www.youtube.com/watch?v=ZihO_D1FLCE
87 Silver http://www.youtube.com/watch?v=_dVU5axnb...ature=plcp
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5.0TurboCoupe1988 Offline
Posting Freak
#10
there is a vent on top of the case near where the tailshaft housing bolts on. they can become clogged if everything is really dirty. i'm not sure if it would cause the symptoms you have though...
1988 TC 2.3/5-Speed, 148K
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