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[Marks DTM Calib]

OK, having been looking at the AR25/35 auto boxes recently and found some useful info, its time to share my findings.

Many of you will be aware that the AR25/35 is not the standard GM designation for the slush box, the more commonly used code is the 4L30E.

So, first up, a brochure on the box (its a BMW one but, they used the same unit)

http://images.omegaowners.com/downloads/Autobox_Docs/BMW_Automatic_4L30E.pdf

And a very interesting article from one of the US auto box repair agents and spares supplier.....this gives some history and a few tips for re-assembly etc.

http://images.omegaowners.com/downloads/Autobox_Docs/4L30E_Article.pdf

[TheBoy]

OK, having been looking at the AR25/35 auto boxes recently and found some useful info, its time to share my findings.

Many of you will be aware that the AR25/35 is not the standard GM designation for the slush box, the more commonly used code is the 4L30E.

So, first up, a brochure on the box (its a BMW one but, they used the same unit)

http://images.omegaowners.com/Autobox_Docs/BMW_Automatic_4L30E.pdf

And a very interesting article from one of the US auto box repair agents and spares supplier.....this gives some history and a few tips for re-assembly etc.

http://images.omegaowners.com/Autobox_Docs/4L30E Article.pdf

Interesting to note that BMW only used AR35 (350Nm) according to that brochure....