Wagoneer L6-258 4.2L VIN C 2-bbl (1982)
5. Place automatic transmission in Park or manual transmission in 1st gear.
6. If shift motor does not maintain vacuum for at least 30 seconds, replace motor.
7. Remove cap from shift motor axle connecting port and check for vacuum at port. If there is no vacuum, rotate rear propeller shaft as necessary to
ensure total transfer case engagement. The transfer case must be fully engaged before shift motor stem will extend fully and open axle
interconnecting port.
8. If vacuum is now present at shift motor axle connecting port.
9. If vacuum is still not present, slide boot away from shift motor stem and measure distance stem has extended. Stem should extend 5/8 inch as
measured from edge of shift motor housing to E-ring on stem.
10. If shift motor stem does not extend specified distance.
11. If shift motor stem extends specified distance but there is still no vacuum at axle connecting port, replace motor.
