bfarrell01

So I was talking to a mechanic and he was thinking that maybe since my engine cant move and no real reason to seize, that the underlying problem might be that the tranny has locked up.

This make any sense to you guys?

 

89redcoupe

Hmm i guess this could happen the only way to tell would be to remove the torq con bolts and try to turn the crank.

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bfarrell01

Service manual says that the S4 light should come on with the ignition and that otherwise the tranny could be stuck in 4th.

My S4 light doesnt come on. interesting....

pnoye2

I'd get a second opinion on your mechanic diagnosis b... personally, I've never seen (or heard) of that happening <= just basing from prior experience as a mechanic!

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294K+ miles; original power/drive trains

l4zy415

Hmm same here, I never heard a tranny locking up. This one is a toughy!!

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18" Limited 341 Chrome Rims/\Matador Red Paint/\Weapon R - Secret Weapon Intake/\LED Bright White Dash Lights/Floor/\Kenwood KDC-X590 Excelon Mp3 Deck/\Ford Taurus Coin/Cup Holder/\2 12" Kickers/\1200 Watt Sony XM-2200GTX 2-Channel Xplod Amp/\2 Rockford Fosgate Capacitors/\Power Acoustic Capacitor/\Clear Rear Turn Signal/\Reverse Glow Gauges/\Swapped 88' Headlights to 89'-90'/\JDM Rear Chrome Trim/\Stromung Muffler/
Soon To Come: Rebuild Motor and 5-MT Swap

pacallen

If the tranny locked up wouldn't the car have come to a screeching halt instead of the engine just dying?

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SOLD: '87 Auto Sedan (12/31/2003)

sam o nela

^ Actually our autos are so weak, I would imagine the tranny exploding way before locking up the front wheels while in motion

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l4zy415

^ Very true. I bet the valves on the motor are all bent up or a piston must've gave up and wedged itself in there. But if you can't crank the motor by hand, then the motor is a dead motor.

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18" Limited 341 Chrome Rims/\Matador Red Paint/\Weapon R - Secret Weapon Intake/\LED Bright White Dash Lights/Floor/\Kenwood KDC-X590 Excelon Mp3 Deck/\Ford Taurus Coin/Cup Holder/\2 12" Kickers/\1200 Watt Sony XM-2200GTX 2-Channel Xplod Amp/\2 Rockford Fosgate Capacitors/\Power Acoustic Capacitor/\Clear Rear Turn Signal/\Reverse Glow Gauges/\Swapped 88' Headlights to 89'-90'/\JDM Rear Chrome Trim/\Stromung Muffler/
Soon To Come: Rebuild Motor and 5-MT Swap

bfarrell01

Yeah youre prolly right. Wishful thinking I suppose.

l4zy415

So what are you gonna do? Get yourself another motor to swap? I just don't want to see that precious Coupe sell out in pieces. Hope you have a good choice on what to do to it. Goodluck bro.

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18" Limited 341 Chrome Rims/\Matador Red Paint/\Weapon R - Secret Weapon Intake/\LED Bright White Dash Lights/Floor/\Kenwood KDC-X590 Excelon Mp3 Deck/\Ford Taurus Coin/Cup Holder/\2 12" Kickers/\1200 Watt Sony XM-2200GTX 2-Channel Xplod Amp/\2 Rockford Fosgate Capacitors/\Power Acoustic Capacitor/\Clear Rear Turn Signal/\Reverse Glow Gauges/\Swapped 88' Headlights to 89'-90'/\JDM Rear Chrome Trim/\Stromung Muffler/
Soon To Come: Rebuild Motor and 5-MT Swap

stephen

I really doubt it. Even if the gear train in the transmission is somehow locked up, e.g. by two gears being engaged at the same time, the torque convertor will still let the engine turn. That's how a trans lock, used by drag racers, works.

If the torque converter were somehow locked up, the engine should still turn in neutral.

The only real option on this engine is to remove the engine/transmission and separate them. If somehow it is the trans the engine would then turn. Far more likely is that it's an internal engine problem and it will need to be disassembled to see what's wrong.

legend89chopped

+1

The trans fluid would have to turn into cement somehow for the converter to lock up. lol

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----------------TURN HEADS----------------

paulo57509

I'd take the belt covers off the engine and take a look. This might give you some clue as to why your engine is locked up.

I really doubt it's the transmission.

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'87 L-Coupe 5-Speed
Stock; NO Mods
394K Miles - original engine and drivetrain.

bfarrell01

I already did. The belts are loose but not broken.

awelliott

Unfortunately, loose is just as bad as broken. Hope it works out that you're able to find another engine....