I found a interesting entry in Alldata about all drive positions. It is under category Complaints, Causes and Remedies, subcategory is Transmission Engagement Process.

Below are the complaint selections I copied from Alldata.

Transmission Engagement Process
. Survey of Complaints
. Complaint
. . No Engagement Connection In Drive or Any Forward Gear Selection
. . No Transmission Engagement In All Drive Positions
. . No Transmission Engagement In Reverse Gear
. . No Engagement or Fails After Transmission Installation
. . Delayed Engagement On Engine Start, All Gears
. . No Engagement In D/3 At Standstill, But Has 2
. . No Engagement In D or Slips When Moving Off
. . Intermittently No Engagement In Reverse
. . Delayed Engagement Into D, 1ST Gear Slip When Starting Off
. . Double Engagement In Drive and Starting Off From A Standstill
. . Harsh/Double Engagement When Position "D" or "R" Is Selected
. . Harsh Double Engagement When Starting From A Standstill
. . Delayed Engagement Into Reverse - 722.3, 722.5
. . Delayed Engagement Into Reverse - 722.4
. . Harsh Engagement Into Reverse With Code Engine
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The one that interests me is No Transmission Engagement In All Drive Positions .

Below is the entry for that complaint that I copied from Alldata.

No Transmission Engagement In All Drive Positions

CAUSE/REMEDY:
1. With selection lever in "P" and the engine running, feel the transmission cooler flex-hose to check whether oil is flowing. If no oil can be felt, the primary pump is defective.

2. check freedom of movement of Control valve accumulator switching on (58) (for illustration, see Location of Components). See: Location of Components.

The 58 referred to above is the Shift Body Housing.
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My questions is...Does "All Drive Positions" include reverse?
I am ASSuming it does.

Thanks for looking!