Feels like the transmission is not engaging

TINGTING1212

MEMBER
2003 MITSUBISHI ECLIPSE
3.0L
V6
FWD
AUTOMATIC
150,000 MILES

GTS model. Okay guys, so I found the right transmission for the swap. After swapping them out now it feels like the transmission does not engage when I shift it out of park. Even with the front end on jack stands the tires do not spin at all when giving it gas. Also, it is not throwing any codes. Any suggestions would be greatly appreciated.

7 Replies

STEVE W.

MECHANIC
13,475 POSTS

Are you sure the "new" transmission was good before you installed it?

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Wednesday, January 25th, 2017 AT 9:30 PM

TINGTING1212

MEMBER
16 POSTS

I am not 100% sure, but it has always got or miss at a pick and pull. If it not then I am able to take it back and pull another. I just need to know if theirs a way to trouble shoot the issue I have now or do I have to go figure d another one? And if I need another one is their any way to check to see if that one is going to be good?

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Thursday, January 26th, 2017 AT 9:10 AM

STEVE W.

MECHANIC
13,475 POSTS

If you have a scan tool and pressure gauges there are ways to test the transmission. They are outlined in the service manual. If you do not have a copy it is a great resource.

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Thursday, January 26th, 2017 AT 10:12 AM

TINGTING1212

MEMBER
16 POSTS

I have the scan tool, but not the pressure gauges.

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Thursday, January 26th, 2017 AT 11:27 AM

STEVE W.

MECHANIC
13,475 POSTS

Nothing special there. Just a high pressure gauge and the proper fittings for that trans.
One thing I have seen happen with a trans that has sat for a long time is that they "dry out" because the fluid all drains down and parts get sticky.
Was this trans drained or did it still have fluid in it?