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post #1 of 4 (permalink) Old 04-21-03, 10:39 PM
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confused 4spd auto Problems!!

'91 EBII 126000Kms

i can take off in 1st then it changes straight to 3rd and stays there, doesn't change when the car heats up

note fluid is full (changed 2500Kms ago)

any ideas?????
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post #2 of 4 (permalink) Old 04-21-03, 10:45 PM
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Have you tried resetting the ecu?
You could give it a go, just disconnect the batt for 15 mins and connect it back up and take it for a drive,
Otherwise it could be a dirty connector in the engine bay, or gearbox, or a loose connector within the gearbox (on the solenoid itself) or a faulty solenoid.

Check the two black round connectors in the engine bay just near the fuel rail at the firewall.

There is also a connector on the side of the auto trans - on the passenger side.

If you want to attempt it yourself, you can drop the pan off the auto and check the solenoid wires, or take it to a transmission shop to get it checked properly - some have machines that connect direct to the trans, bypassing the ECU to test all solenoids and sensors within the auto

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post #3 of 4 (permalink) Old 04-22-03, 03:56 AM
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It could be an electronic fault ,but it is not uncommon for the front band which is used in 2nd and 4th to fail and takes the c3 clutch drum with it .
When you say it goes to 3rd and stays there,does it go back to first..If it stays in 3rd and you have reverse it could be detecting a fault which leaves the trans in 3rd which is a limp home mode..
You will need to check for codes first..
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post #4 of 4 (permalink) Old 04-22-03, 06:40 AM
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mate, i know the problem with your car - driven too hard... you pass me a couple of times a week while i'm waiting for the bus on Herschel St...

car looks damn good, btw... dunno about the trannie :-p

Presenting, at great cost to management:
.020 over 351 Clevo, 10:1 comp, ported 302 heads, blueprinted and balanced, custom ground cam, Edelbrock intake, 600 Holley, K&N air filter, Custom Zip-Ties(tm), MSD ignition, Genie extractors, 2 x 2.5" exhaust, 2800rpm stally, rooted C4
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