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Hard Or No Shift

1143 Views 9 Replies 4 Participants Last post by  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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maybe you need a transmission fluid change??? For starters....

I had a similar problem with my 420SEL over the summer, trying to accelerate and the RPM's would go up and up while the vehicle wouldn't accelerate at all. Fluid change seemed to solve the problem (for now) :)
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