B&M 70226 TRANSKIT FOR GM 4L80E TRANSMISSION User Manual

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Valve Body To Spacer Plate Gasket

Accumulator Housing Gasket

Spacer Plate To Case Gasket

Figure 5: Spacer Plate Gaskets

PCS Filter

You may have to
loosen screw and
rotate the Shift
Solenoid to remove
the SSF Filter

SSF Filter

Filter Bore Plug

Plug Retaining Pin

Figure 4: PCS and SSF Filters

1991-1993
Accumulator
Housing

1994 & UP
Accumulator
Housing

4th Accumulator Spacer
HD 3/8” WHITE
HPS 1/2” ORANGE

4th Accumulator Spacer
HD 3/8” RED
HPS 1/2” GREEN

Figure 6. Accumulator Assembly

3rd Accumulator
Piston

TS Compensator
Spring

TS Compensator
Piston

4th Accumulator
Spring & Piston

BLUE 3rd
Accumulator
Spring

4th Accumulator
Spring & Piston

BLUE 3rd
Accumulator
Spring

guiding the Detent Lever Pin into the
Manual Valve groove. Push the Valve
Body firmly against the Case and install
one (1) screw, finger tight, in the center
of the Valve Body to hold it in place. In-
stall the Pressure Switch Assembly with
six (6) M6 x 55mm x 8mm Hex head
screws. Install the Lube Tube, remain-
ing clips and Dip Stick Stop. When all of
the screws

have been installed, torque

them to 11 Nm (8 lb ft) starting in the
center and working circularly outward.
Attach wire loom electrical connec-
tors.

STEP 18. Install the new oil filter with
seal provided in kit (See Fig. 1) into
the case.

STEP 19. DOUBLE CHECK THE FOL-
LOWING:

1. Manual Valve Body is properly en-
gaged with pin on detent lever.
2. All bolts are installed and torqued.
3. Wiring harness connectors are en-
gaged to switch assembly and sole-
noids.
4. Pressure Regulator Retaining Ring
is fully seated in its groove.

STEP 20. Coat the Oil Filter pickup
tube with clean ATF then push the tube
into the filter seal in the case. Install
the Oil Pan and Gasket then torque
the seventeen (17) bolts to 24 Nm (18
lb ft). Fill transmission with ATF to
the full mark on dip stick. You will
need about 6 to 7 quarts. Dexron®III