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sprinkles08, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 22989
Experience:  Chrysler/Dodge/Jeep master tech ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans Specialist
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2008 Chrysler T&C, 3.3L with 4 speed auto. Yesterday the

Customer Question

2008 Chrysler T&C, 3.3L with 4 speed auto. Yesterday the tranny made several "thumps" as my wife drove it, and when she got home it was very difficult to get it to go up the slight incline in the driveway. We put it in N and tried to push but wouldn't budge forward or back until I shut the engine off. Is this most likely the control solenoid? No check engine light is on.
Submitted: 2 years ago.
Category: Transmissions
Expert:  sprinkles08 replied 2 years ago.

Hello and welcome to JustAnswer!

Unfortunately this won't be an electrical issue.

It would be a good idea to make sure the brakes aren't actually locking up. A bad brake booster can cause the brakes to apply themselves when the engine is running. With the front of the van properly supported on a hoist or jack stands start the engine and with the trans in park see if you're able to turn each front wheel independently. If you're able to then the issue isn't brake drag.

Almost surely the problem is going to be a planetary geartrain failure in the trans. If the trans locks up only when the engine is started that points to the geartrain locking up due to the low/reverse clutch coming on. The pan can be removed to check for debris which would be a sure sign of geartrain failure, from there the trans would need to be disassembled for inspection, or replaced.