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My 2002 Mountaineer has been skipping sometimes when ...

Sent to Car Experts November 23 11:27 PM

My 2002 Mountaineer has been skipping sometimes when changing from 1st to 2nd gear for a few months. Then tonight it didn't go into gear for a few seconds during a takeoff at a stop light. A few minutes after that the check transmission light came on and the O/D off light started blinking. Is the transmission shot? Any thoughts?
swhitney@desaint.com or stan_the_man@insightbb.com

Optional Information:
2002 Mercury Mountainer 4.0 ltr

Already Tried:
Nothing

Customer (name blocked for privacy)
Status:  Closed   Value: $5
Answer
November 23 11:45 PM (17 minutes and 49 seconds later)
         
ACCEPTEDCheck Mark
Since the light came on and is flashing it is probably an electrical issue and can probably be repaired without replacing the transmission. The first thing you are going to need to do is have the codes retreived. AutoZone offers this service for no charge. Once you have the codes I can offer more help but it is almost impossible to go any further without the codes. The transmission computer is the same as the engine computer. It could be anything from a speed sensor, shift solenoid, tcc solenoid, epc solenoid etc. More than likely because it is shift related it has something to do with the shift solenoid but which one. We can determine that after you codes. I hope this helps. An accept would be appreciated.
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autodoc_2000 -- Auto Service Technician -- 98% Positive Feedback on 928 Car Accepts
ASE Master Tech w/ Advance Engine Performance
Reply
November 25 8:29 AM (1 day and 8 hours later)
         
Relist: I still need help.
I will still need help after getting the codes from the Mountaineer's computer.
Customer (name blocked for privacy)
Answer
November 25 9:08 AM (39 minutes and 10 seconds later)
         
ACCEPTEDCheck Mark
As soon as you get the codes post them ans I will try to help.
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autodoc_2000 -- Auto Service Technician -- 98% Positive Feedback on 928 Car Accepts
ASE Master Tech w/ Advance Engine Performance
Reply
November 25 11:22 AM (2 hours and 14 minutes and 38 seconds later)
         
The code is:
P0745 - Pressure Control Solenoid A Malfunction
Customer (name blocked for privacy)
Answer
November 25 11:50 AM (27 minutes and 11 seconds later)
         
REPLIEDCheck Mark
The code is for the pressure solenoid. In order to test the system to see if the solenoid is working or if it is a wiring problem you will need a NGS Ford scan tool to activate the solenoid and a pressure gauge to check line pressure. I would be glad to send you testing information if you have the tools available to test it. The solenoid is what controls the amount of line pressure the transmission has. The line pressure is what applies the clutches to engage it into the different gears,. If the pressure is low the trans will slip. If it is high the trans will shift very hard and clunk. I hope this helps. If you have any other questions feel free to ask.
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autodoc_2000 -- Auto Service Technician -- 98% Positive Feedback on 928 Car Accepts
ASE Master Tech w/ Advance Engine Performance
Reply
November 25 12:11 PM (21 minutes and 5 seconds later)
         
Reply to autodoc_2000's Post: I do not have the tools. You've been a lot of help though by letting me know what the problem is. I'll check my warranty and go from there. Could this lead t0 expensive transmission work or is this an easy problem to fix?
Customer (name blocked for privacy)
Reply
November 25 12:14 PM (3 minutes and 33 seconds later)
         
Relist: I still need help.

see above question

Edited by Customer (name blocked for privacy) on November 25 2005 at 12:15 PM
Customer (name blocked for privacy)
Answer
November 25 1:01 PM (46 minutes and 28 seconds later)
         
ACCEPTEDCheck Mark
As long as the pressure has not been low enough to cause the transmission to slip excessivly it shouldn't be that bad. If the clutches slipped alot the friction material will be burned off the plates and a rebuild will be necessary.
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autodoc_2000 -- Auto Service Technician -- 98% Positive Feedback on 928 Car Accepts
ASE Master Tech w/ Advance Engine Performance
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