1995 Mitsubishi Galant transmission

CABMAN39

MEMBER
1995 MITSUBISHI GALANT

1995 Mitsubishi Galant

Hi, I have a 1995 Galant. (Actually my sons car) The transmission would not shift to overdrive. Runs and shifts fine untill overdrive is switched on then just revs the engine. I took it one shop and they said the tranny is shot, 2000.00 to replace it. I took to another shop, they said it was bad, not shot and would cost 1700.00 to fix. I bought a used tranny (told it was good, but how do you know) and put in the car my self. Same problem, wont shift to overdrive. Can anyone help me please.

6 Replies

KHLOW2008

MECHANIC
41,815 POSTS

Hi cabman39,

Thank you for the donation.

Get the trans scanned to check if there are any trouble codes stored in the PCM. Let me know if any are found.

Was any components reused from the original trans?

Do you have any indicators that are not functioning correctly? D or OD on/off light etc.

The OD clutch is at the rear of the trans and is accessible by removing the end cover. If the original trans is still with you, remove the end cover to check if the clutch is burnt.

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Monday, January 18th, 2010 AT 2:38 PM

CABMAN39

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Thanks for the reply. THe overdrive light seems to be functioning properly, No check engine lights on, no parts from original trans used, new filter and fluid in trans. I did not pull the end clutch cover off, but the fluid did smell burnt. The fluid from the replacement trans did not smell burnt. Both trans are doing the same thing. Wont shift into OD, everything else seems to work fine. I had the original trans scanned at 2 different places, the showed codes but I dont know what they were. Have not had the replacement scanned, but it seems odd that they are doing the same thing. That leads me to beleive something else is wrong.

Thanks

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Monday, January 18th, 2010 AT 4:09 PM

KHLOW2008

MECHANIC
41,815 POSTS

The CEL might not indicate for any trouble codes with transmission and scanning would reveal them

Since you replaced the trans yourself, I trust you are able to perform diagnostics.

Here are procedures for retrieving the trouble codes with the aid of an analog volmeter or a LED light.

Voltmeter Method ( a led light bulb can be used as substitute and you can count the blinking)

1. Locate diagnostic connector ilocated to the right side of steering wheel under the instrument panel. Install voltmeter between ground terminal No. 4 or No. 5 and diagnostic output terminal No. 6. See
Fig. 20

2. Turn ignition on. Note fluctuations of voltmeter needle to indicate DTC. The first fluctuation indicates first digit of DTC. Following fluctuations indicate the second digit of DTC. Record DTC's in order displayed.

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Monday, January 18th, 2010 AT 4:33 PM

CABMAN39

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Hi again, I did not pull the end plate as of yet. I did try to get the code with a meter but the plug in the car is different than the picture of th e one you sent me. I tried to find one like the car has but had no luck. I guessed as best I could what the pin config would be but did really manage to get what I think is a good code. The meter made the same sweep at the same rate of speed and distance for 60 cycles. I attached a pic of the connector on the car,,

Thanks, any help would be greatly appreciated

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Tuesday, January 19th, 2010 AT 3:17 PM

CABMAN39

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5 POSTS

Also, I went to an atuo store and their scanner will only work on cars 1996 and newer so I didnt get another scan. I will take the car to a shop if I have to and get it scanned again.

Thanks