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I have a D10R not shifting into 2nd gear? Don’t have that…

Customer Question
I have a D10R...

I have a D10R not shifting into 2nd gear?

Mechanic's Assistant: What is the complete model and serial number of your machine?

Don’t have that yet

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Yes and I haven’t tried anything wanted some advice

Submitted: 7 months ago.Category: Medium and Heavy Trucks
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Customer reply replied 7 months ago
Serial number 3KR01416
Customer reply replied 7 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 7 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 5 hours by:
12/4/2017
Technician: cat_engines_only, Other replied 7 months ago
cat_engines_only
Category: Medium and Heavy Trucks
Satisfied Customers: 2,550
Experience: Repair CAT machines only
Verified

Hello,

When I have just one speed not working, I first look for active fault codes to see if it could be electrical. If not codes are present, then I check pressures to see if the clutch seals may have failed. If the pressure is present but, very low, it is likely a seal.

If I get no pressure on that clutch, I then go further into electrical issues.

If codes are active for the clutch, you can test the coil continuity at the transmission connector and compare to the other coils and repair as needed.

If all coils are the same, it is possible to have a stuck solenoid. You could swap the modulation assembly with another clutch to see if the problem moves to the other clutch. If it does, replace the modulation assembly. If the fault remains on the same speed, then the machine harness needs testing and lastly an ECM could fail but, this is very rare.

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Technician: cat_engines_only, Other replied 7 months ago

Hello,

Did you need anything else?

Was my answer helpful?

Please return to the site and let me know. I will be glad to help more if needed.

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Technician: cat_engines_only, Other replied 7 months ago

Hello again,

Is there a problem with my answer?

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Was this not what you were needing?

Please let me know how I can help you.

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