Pagoda SL Group

W113 Pagoda SL Group => General Discussion => Topic started by: MP on April 10, 2024, 18:04:36

Title: Notchy gear change
Post by: MP on April 10, 2024, 18:04:36

Just had a new crankshaft & flywheel fitted to my 250sl ZF 5 speed, now it is awkward changing gear especially notchy in first and second.
Any ideas why?

Title: Re: Notchy gear change
Post by: ejboyd5 on April 11, 2024, 11:07:31

Explain "notchy."

Title: Re: Notchy gear change
Post by: stickandrudderman on April 11, 2024, 16:13:00

Most manual gearboxes uses a 80 or 90 grade oil. These use ATF. If the wrong oil is used you'll get a notchy shift.

Title: Re: Notchy gear change
Post by: MP on April 12, 2024, 17:42:30

ZF recommend a 75 w 80  ( Ecofluid M )  for the S5-20 which I was using prior to the new flywheel.

Title: Re: Notchy gear change
Post by: lreppond on April 12, 2024, 21:10:45

For those of us not familiar with the British term “notchy”, I found this:

A manual gear shifter is said to be “notchy” if it is difficult to select a gear from neutral.

Title: Re: Notchy gear change
Post by: MP on April 12, 2024, 22:10:41

Well done 😄

Title: Re: Notchy gear change
Post by: DaveB on April 15, 2024, 03:24:15

Maybe it will improve after some bedding in time. Has the weather been colder than usual? Do you think the clutch is disengaging completely as it should? You could also look below for possible binding in the selector mechanism or rods.
Or try ATF, though if it was previously fine with the Ecofluid that may not change anything.

Title: Re: Notchy gear change
Post by: MP on April 15, 2024, 08:05:37

Thanks Dave, I will look at the mechanisms, I don't think it's the Ecofluid which I have been using for over 2 years. Have attached list from ZF if anybody is interested.
Maurice