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Old 10-06-2010, 08:20 PM
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95 E420 HITS REV LIMITER

Hello, I have a 1995 e420(124/119). When flooring the accelerator(kick down switch depressed) from a standing start, it hits the rev limiter before shifting to 2nd gear. As soon as the rev limiter is "bumped" it shifts to 2nd. All other upshifts occur @ approx 6000 RPM.When accelerating without the kick down switch depressed, the 1-2 upshift occurs @ approx 5600 RPM.Any body have any ideas. Tried adjusting the mechanical linkage between throttle and trans cable, no help. Thanks for the help, Dan
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Old 10-06-2010, 10:50 PM
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The "limiter" on the gas cars is controlled by the engine computer, not a physical adjustment. The computer cuts out the fuel pump when a certain rpm is reached.
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  #3  
Old 10-06-2010, 10:56 PM
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1-2 shift

How do I adjust the 1-2 shift point before hitting rev limiter with kick down switch depressed?
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Old 10-07-2010, 06:53 AM
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The shift point is usually controlled by the bowden cable, not sure if the kickdown will have an effect on the shift point though.
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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 78k - mine - (OC-80,500)
'17 Metris(VITO!) - 8k - wifes (OC-10k)
'01 E320 Wagon - 159k - mine (OC-160,000)
'89 420SEL 166k - mine (OC-167,000)
'01 E320 - 171k - dad's (OC-171,500)
'07 E350 Wagon - 131k - dad's (OC-132,500)
'01 SL500 - 49k - dad's (OC-52,000)
'09 E350 4matic Sedan - 129k - Brothers (OC-128,000)
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Old 10-07-2010, 08:24 AM
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There is a governor pressure adjustment on the front of the valve body.

Requires removal of the trans pan (possibly more than once) and a very short allen wrench.
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  #6  
Old 10-07-2010, 12:00 PM
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adjustment

I made an adjustment to the mechanical linkage between throttle and bowden cable effectivly loosening the bowden cable and this had no effect other than causing sluggish kick down and early 2-3 up shifts. The 1-2 upshift still hit the rev limiter when kick down switch was depressed. Can you explain where and how the governer adjustment is made? Other than the 1-2 upshift issue all other parameters are good.Thanks for the advice, Dan
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