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M20 reverse transfer case removal and reverse diagram or exploded view

Started by liswar2 , Feb 28 2021 03:31 PM

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8 replies to this topic

#1 liswar2

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Name:Wazza
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Car:BMW K1200 RS , orange lc coupe
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Posted 28 February 2021 - 03:31 PM

Hi all ,
does any one have a diagram or exploded view of the reverse gear and depress, linkage connection, as I need to split my transfer case from the box and reset the reverse detent, ?
As I made a rookie mistake and removed the reverse arm linkage bolt .
And now it's locked in reverse 😔

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#2 yel327

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Posted 28 February 2021 - 05:12 PM

What is it in? Is it a Muncie in a 4x4 or something?

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#3 S pack

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Name:Dave
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Posted 28 February 2021 - 06:51 PM

Warren is talking about the removal of the extension housing on an Aussie M20 4spd, probably in his XU1.

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#4 yel327

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Posted 28 February 2021 - 07:15 PM

Ah. Confused the hell out of me talking about the transfer case!

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#5 Kevrev

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Name:Kevin
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Car:73 LJ GTR, 77 LX SS 253 Manual
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Posted 28 February 2021 - 07:17 PM

Hi Warren Is this what you're after? I've found that you need to make sure the reverse gear is slid all the way rearwards before pulling the selector upwards to engage reverse gear after the extension housing is refitted.

Cheers Kevin

Attached Files

Reverse selector.jpg 222.63K 1 downloads
Fitting extension housing.jpg 206.1K 1 downloads

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#6 S pack

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Posted 28 February 2021 - 08:40 PM

Important, be careful when you remove the extension housing to not lose the detent ball which has probably fallen out into the housing. Remove the detent spring from its well under the bolt that attaches the reverse light switch to the housing.

Upon re assembly do not install the detent ball and spring until the extension housing has been installed, the reverse shift lever is installed and fully engaged onto the shaft and you have tested reverse gear selection is working correctly.

Now install the detent ball & spring into their well and install the reverse light switch.

Edited by S pack, 28 February 2021 - 08:41 PM.