How to replace a 2003 lincoln ls p0645 transmission solenoid and what does it look like

Ned C Cook

• 3433 Answers
• Posted on Nov 08, 2009

SOURCE: does 2003 LINCOLN LS V8 transmission fits on 2000

If the engines are the same, It should bolt up. The problem would be in performance match up.

SOURCE: I have a 2003 Lincoln LS V8. shifting shuttering

IS IT MORE BETWEEN 20-50MPH..IF SO THEN THERE IS 3 TSB FOR REPROGRAMMING THE PCM. LET ME KNOW IF ANY OF THIS WILL HELP
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SOURCE: 2002 lincoln LS solenoid c problems 5R55N

What is the problem? What does the veh do,or not do?

SOURCE: 2003 lincoln LS

usually shift kit makes for harder shift also verify engine is well tuned.

SOURCE: I have a 2003 lincoln ls with 110,000 miles and

You need a new Trans Control Solenoid--one unit with all 3 pressure control and 4 shift solenoids, in one unit.
Remove trans pan,gasket reusable,remove filter,remove 7 torx screws and one 10mm wire harness connector bolt,then pull down old solenoid pack.

Part # 9L2Z7G391A 515.30 list/332.20 cost at trans supply house

Do Not Go to a Dealer,unless your Warren Buffet or Bill Gates

Change the fluid a couple more times, after installing the new solenoid pack, and driving a couple weeks with no issues. Add a bottle of Red Lubgard, to your Mercon V Trans Fluid, at the last fluid change

Also--pull injector fuses,crank over engine, and flush Power Steering Fluid. (Dex/Merc Fluid)