Pagoda SL Group

W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: jesraymond on December 06, 2020, 13:07:21

Title: 4th speed on automatic transmission stopped working
Post by: jesraymond on December 06, 2020, 13:07:21

4th speed on automatic transmission stopped working. Fluid level good transmission works fine otherwise anyone have any recommendations? Do I  Need a transmission rebuild The car is a 1970 280 SL

Title: Re: 4th speed on automatic transmission stopped working
Post by: JamesL on December 06, 2020, 13:37:18

Are you sure?
They normally start in 2nd, so only change gear twice.

What sort of RPM are you seeing at 40mph? 50?

Title: Re: 4th speed on automatic transmission stopped working
Post by: jesraymond on December 06, 2020, 13:40:47

I’m running about 3000 RPMs between 40 and 50 miles an hour

Title: Re: 4th speed on automatic transmission stopped working
Post by: Tyler S on December 06, 2020, 18:44:50

Does it also shift late and hard? There may be an issue with the kickdown solenoid or switch stuck

Title: Re: 4th speed on automatic transmission stopped working
Post by: Shvegel on December 07, 2020, 03:29:33

d guess you 3 position solenoid is stuck. Essentially your transmission thinks you are mashing the gas pedal.  Been written about a bunch here so search it and free it up.

Title: Re: 4th speed on automatic transmission stopped working
Post by: ja17 on December 08, 2020, 00:12:09

Sometimes, just the kick-down-button on the floor gets stuck down. It's easy to check this first.