P0741 & solenoid pack - Ford Powerstroke Diesel Forum
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Old 04-20-2013, 05:01 AM
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P0741 & solenoid pack

I have an 02 F250 7.3 80k miles which has started shifting really hard at times, then shortly after that the OD light starts flashing. Iíve rarely driven it until I could get it checked out. Recently, a friend pulled P0741 code with his Innova 3160 scanner, but I still wanted to have it checked by a transmission mechanic so we cleared the code and waited for the OD light to flash again. Until dropping it off at the shop this week, Iíve been researching the code and it seems a new solenoid pack is curing most of the problems. I got it back from the shop tonight, who also got a P0741 code, and was told the ďTC wasnít locking upĒ, and between $1,200 and $1,400 to fix it. This would include a new torque convertor, rebuild the valve body, new springs in the pump, clean the accumulator, and a flush and filter, but nothing about a solenoid pack. Does that make sense?

If possible, I would like to fix it myself and found a procedure to test the solenoid once I can remove it, but donít want to start something I canít finish. My thought is to drop the pan this weekend to see if thereís any chunks or filings in it, check the resistances on the solenoid pack, and check the harness for damage. Is that the right approach? If nothingís in the pan, is that a good indicator that thereís no hard damage? I appreciate any input or suggestions. Thanks, Bryan

P.S.I accidentally posted this in the 6.0 tranny forum last night, but can't figure out how to delete it. How do I do that?
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Old 05-11-2013, 09:29 AM
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I finally got under it this morning. The first thing I did was pull the wiring harness plug and it was heavily covered with some kind of oil. It may be tranny fluid, but it doesn't really smell like it. Could the oil on the plug be shorting out and causing problems?
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Old 05-12-2013, 06:36 PM
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After posting yesterday, I cleaned the plug out, coated it with dielectric grease, plugged it back in and took it for a spin. No difference, still shifting hard and erratic. So today I drained the fluid and dropped the pan. Other than a little sludge on the magnet, there was nothing else in the pan. Guess that's a good sign. Bad thing was I broke 2 of the pan bolts off. I tried removing the solenoid pack, but it was not coming out. Made sure all of the bolt were out and kept trying to wiggle it around, no luck. Even pushing on the connector while pulling underneath, no luck. I tried lightly using a pry bar and broke the connector off of the solenoid body, so I'll get a new one anyway now. It took a pair of channel locks and a lot of wiggling to get the solenoid connector out of the trans body.
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Old 05-15-2013, 05:49 PM
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I had the solenoid resistance checked and it was bad, so I wasn't out anything from breaking it when I took it out.

But I have a question I hope someone on here can answer. When I removed the connector plug with the channel locks, I accidentally tore the gasket in the area around the solenoid plug hole. Nothing is missing, it's just that the really thin gasket tore out to the rear side of the solenoid pack, and not across any of the channels on the top side of the block. I really don't want to remove the valve body if I don't need to. Does it need to be replaced? It appears that if it didn't go across any channels, it shouldn't affect anything. Any input appreciated, thanks in advance.
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Old 05-19-2013, 08:41 AM
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I started this thread almost a month ago and, so far, no one can offer any comments or answers to my questions, most importantly now, my last question about a torn gasket ?? I feel like I'm talking to my self here!! I thought this forum was for sharing experiences and information. Guess I was wrong.....
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Old 05-27-2013, 04:45 PM
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I'm getting frustrated that nobody will answer any of my questions, but let's try a couple more. I still haven't bought a new solenoid pack. I see a lot of them on eBay and elsewhere but wonder; Is it better to get one directly from a Ford dealer vs. getting a new one from a parts house? I've seen some posts saying the Ford part has updates.

I've also read posts saying stay away from reman's. Even if they offer a 1 year warranty?

Could someone offer some input to these or any of my previous questions?....Please
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Old 05-28-2013, 12:03 PM
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Send a message via AIM to Galaxie
I kinda want this info too.
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Old 06-01-2013, 07:04 PM
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Oh well, another 5 days and not an answer or any input on my questions. I guess it's time to hang it up here. I've looked and can't see a way to delete my account/login. Can I do that or does it have to be done by a moderator?
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Old 06-07-2013, 09:17 PM
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I would just buy one off of eBay. They are just essentially just resistor packs. All the better if you can get a one year warranty. I quit buying Ford parts when I found out a lot of Ford parts are other name brand put in a motorcraft box. Most trans codes come from the solenoid pack, a shot trans hardly ever throws a code. Good luck.
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Old 06-18-2013, 08:46 AM
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gfaststroker,

Thanks for the advice. I ordered one from eBay a day or two before you posted this and have it now. I started to install it last night and realized the torn gasket should be replaced. I thought the tear was in an area that achieving a sealing wasn't important (from the plug opening directly to the outside), but it appears to cross a solenoid channel, so I now have few more questions:

1) How difficult is it to remove/reinstall the valve body, accumulator and whatever else is necessary to replace this gasket?

2) Any small parts that are difficult to get back in or special tools required?

3) Is there anything I should do to it while I have the valve body/solenoid/accumulator off? I'm not looking for extreme performance upgrades, I just want to get my truck back on the road and dependable.


Thanks,
Bryan
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