Lumina L4-151 2.5L (1991)
Also ensure the 3-2 control valve and 1-2 servo control valve move freely in their bores.
V. Harsh Upshifts - High Altitude Only
Also ensure the 3-2 control valve and 1-2 servo control valve move freely in their bores.
V. Harsh Upshifts - High Altitude Only