Question about 2001 Mercury Cougar
The harness that connects to the solenoid and valve body seems to make the car act funny. When I disconnect it, it will drive.
Not the transmission. When you disconnect it , it runs off pressure. You will have hard shifts. but it shifts, you won't have OD though. This could an external or internal wiring problem. It could also be solenoids or sensors on the valve body. It really needs scanned before rebuilding or replacing the transmission. You could replace the transmission and have the same problems(external harness). Or the control module.
Posted on Apr 15, 2016
Testimonial: "Thank you! Your the only one that made any type of sense cause i might not know a lot but i know it had to be some wires to make it do what it's doing and another guy said it could be the brain? What you think?"
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Posted on Jan 02, 2017
Needs to relearn shift stratagies. May need scan tool help If trans shop did work take it back. Don't forget to use the right fluid. Even trans shops don't care.
Posted on Sep 28, 2009
SOURCE: Do i really have to take the whole transmission down to replace a tcc solenoid on my 01 mercury cougar? It drives good and shifts all gears but i rather try the solenoid before buying a new used trans
The TCC is the Torque Converter Control and yes, it is inside the transmission. You may be able to drop the pan on it and get to it but that is rare.
Posted on Mar 04, 2016
No. replacing the TCC or the OSS, will not make the transmission work. You can unplug these transmissions and they will still work, less OD. Sounds like you may have stripped the torque converter oil pump gear. Common in these older Mercury/Fords.
Posted on Mar 18, 2016
Tips for a great answer:
A bent terminal
A backed out terminal
A damaged terminal
Poor terminal tension
A chafed wire
A broken wire inside the insulation
When diagnosing for an intermittent short or an open condition, massage the wiring harness while watching the test equipment for a change
When you command the TCC PWM Solenoid Valve OFF, the voltage increases to B+.
All conditions met for 5 seconds.
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