hi everyone
i have 2003 volvo 780 with auto 10 speed transnision i let my truck sit for 2 months
after i started it drove it for 30-40 mins
the temp went to 160-170 it didnt over heat but when im in 5th gear when my rpm between 12-15
service light starts blinking to check the transmission and also does that when im in
10th gear between 12-15 rpm service light starts blinking to check the transmission
thank you
transmission serivce light coming on
Discussion in 'Volvo Forum' started by gsexpress2010, Jan 14, 2014.
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it was 2 sesnsors on top of the transmission called the main shiftting sensor that control the high and low gear
i changed them both of them and truck has been fine
thanks for the reply -
check it for VSS ore countershaft speed fault code.... becouse when transmission is in top gear it makes maximum vibration if any bearing is worn, also check for magnetic dirt on speed sensors
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