Mackengine Posted March 21, 2019 Share Posted March 21, 2019 We have an 07 CTP713B with an eaton transmission. when it gets cold outside it gets stuck between lo and high. Have replaced slave valve and regulator and still the same. Have 3 other trucks that are the same with no problems. any help would be appreciated thanks Quote Link to comment Share on other sites More sharing options...
JoeH Posted March 21, 2019 Share Posted March 21, 2019 (edited) What gear oil are you running in it? Check with Eaton and see what that trans needs, running anything else may cause problems like that. Edited March 21, 2019 by JoeH Quote Link to comment Share on other sites More sharing options...
theakerstwo Posted March 22, 2019 Share Posted March 22, 2019 Its time to pull rear box and check for broken synchronizer pins 1 Quote glenn akers Link to comment Share on other sites More sharing options...
Swishy Posted March 22, 2019 Share Posted March 22, 2019 When parking the truck park it up in Low and in gear cya Quote Link to comment Share on other sites More sharing options...
Hayseed Posted March 22, 2019 Share Posted March 22, 2019 9 hours ago, theakerstwo said: Its time to pull rear box and check for broken synchronizer pins ^^^^^^^^^This^^^^^^^^ Quote "Be who you are and say what you feel...Because those that matter...don't mind...And those that mind....don't matter." - Link to comment Share on other sites More sharing options...
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