GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2002 🢒 Isuzu - N Series 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Harsh Shift 4 to 3

Harsh Shifts -- Fourth to Third

Checks

Cause

Retainer Ring (533)

Not seated

Spring Assembly (532)

Not acting

Bolt (26)

The oil feed hole is plugged.

Cup Plug (530)

Plugged

Direct Lube Exhaust

Blocked