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Old 07-10-2018, 09:27 PM   #41
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Hey everyone!

The bus is being towed to a "ZF Dealer" named Pacific Torque in Des Moines to see what they can come up with. The driveshaft was removed for the initial tow and Freightliner charged me for reconnecting it without asking. Is this kind of thing standard procedure? What reason would they need it reconnected to carry out a repair? I explained it wouldn't even go into gear and they reconnected it just to end up pushing it around anyway.

They also charged me for connecting their diagnostic tools etc. The invoice says, "Hooked up PC and performed preliminary diagnostics. Noted control pad flashing trans hot and extensive engine codes but none active. Attempted to connect to trans TECU and unable to communicate. Rebooted and same result."

Anyone have any thoughts? Are these types of codes throughout the life of the bus or typically recent? Would resetting a few tripped breakers affect these results at all? I am hoping this shop gives me some type of insight into the problem.
For one thing, I’d complain to service manager about them making so many mistakes and get your bill reduced.

The charges are normal for a competent service company...but they couldn’t even bother to read the manufacturers plate on the tranny right??

Get the details of the codes. You’re paying for them. Could be useful in the future. They can come up for a variety of reasons. Misfires, etc.

I doubt these guys know how to work on the ZF. Or your TECU is shot. The TECU is an electronic control box in the back of the bus. The service manual I posted for you shows exact location. Mark also knows where it is. Make sure it’s plugged in all the way and no breakers are tripped.
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Old 07-10-2018, 11:37 PM   #42
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Originally Posted by Kinson View Post
It may be after the 15th. Snonut offered to pick me up when I came back, but I believe he is a decent drive south of the airport. It would save him a long trip and he has already done a good bit for me while refusing anything in return. Thank you for the offer and I really appreciate it! I will message if/when I know more about the situation.


Btw, I live just a few miles from where The bus is being towed to in DesMoines.
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Old 07-11-2018, 08:46 AM   #43
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Pacific Torque is the best place in the NW to have automatic transmission work done on medium and heavy duty automatic transmissions.

If they can't make things work no one can!

I have found them to be very competent and affordable.

https://www.pacifictorque.com/
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Old 07-12-2018, 03:09 PM   #44
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What are some opinions on roadside for this particular situation? I looked into it before, but came to the conclusion they are probably for converted units. We were planning on starting to remove seats on the trip if that would help. The peace of mind would be nice to have for anything else that may happen if we get on the road.
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Old 07-15-2018, 11:10 AM   #45
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This would really be pushing the "spirit" of the situation, but you might be able to get something through "Family Motorcoach Association" (https://www.fmca.com).
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Old 07-19-2018, 03:23 PM   #46
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Hey all! I am trying to keep my head up through all this...

I just got this message from the mechanic, " So we checked those 3 diagnostic ports, and all are the round 6 pin connectors to communicate with the engine. If the transmission is wired into these 6 pin connectors we do not have the appropriate cables to connect with. With that being said we did not find any other connectionís to connect with our ZF cable/software."

I asked Mark what he thought, and he gave a pretty detailed explanation that I passed along. I also resent a schematic to them that hopefully allows them to figure out how to hook up to it. They also said when they pulled the transmission dipstick, the fluid was muddy and smelled burnt. When the break-down occurred, we had some difficulty getting the dipstick out. It would not pull or twist out and was stuck or rusted in place. Could breaking this loose cause some debris and color that they are seeing? The fluid also smelled sweet to my father and Snonut. We did not notice debris either. I don't get the change... Should I give the go ahead for them to drain it in order to inspect all the fluid/filter?



If it needs a new/rebuilt transmission right away, I may have to give up. Any info/advice about getting the most scrap value out of it would be very helpful.
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Old 07-19-2018, 04:05 PM   #47
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The retarder is most likely linked in the coolant loop. So may be you have a coolant leak in you transmission that causes the sweet smell and muddy oil. May be drain some of the oil in a clear container and see if antifreeze / water settles out.




Good luck. later J
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Old 07-19-2018, 08:35 PM   #48
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The retarder is most likely linked in the coolant loop. So may be you have a coolant leak in you transmission that causes the sweet smell and muddy oil. May be drain some of the oil in a clear container and see if antifreeze / water settles out.




Good luck. later J
Try this out^^

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