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Hard Or No Shift

1150 Views 9 Replies 4 Participants Last post by  BILLSONG, 
BILLSONG
OK it been a while since I got the engine in (M103). My car Doesnt shift into 4th gear. Or if it does I'm running at high RPM. While I'm going 80MPH the Tach read 5,500. I know these car run at high RPM but not this high. After driving for a while at 70 the trans doest pull no more, If I step at the gas harder the RPM just go up and the car slow down. The only way I keep the car from stranded on the road while driving is shift it to neutral and let the RPM go down to 2,500-3,000 RPM and step on the gas and shift it back to gear.
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M
If it won't shift into top when hot,it is possible the fluid level is too low,or the filter is dirty.
did you take the time to flush the trans oil cooler lines when you had the trans swapped over?.The smallest peice of dirt or fluff from a rag will prevent a trans from working properly.
If it changes into top when cold or intermittitently it indicates dirt in the system.
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