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PAN GASKET
GASKET "C" - CASE SIDE, 1993-2000
GASKET "V" - VALVE BODY SIDE, 1993-2000
GASKET "CA" - CASE SIDE, 2001-2006
GASKET "VB" - VALVE BODY SIDE, 2001-2006
ALUMINUM PLUG, 1/4" DIA × 1/8"
SOLENOID FILTER SCREENS: 1 LARGE + 1 SMALL
SNAP RING, PRESSURE REGULATOR
SPRING, PRESSURE REGULATOR (GREEN)
70360
02/07/22
DESCRIPTION
Technical Support (866) 464-6553
INSTALLATION INSTRUCTIONS
GM 4L60E TRANSMISSIONS, 1993-2006
3/8" SPACER - RED
3/8" SPACER - WHITE
1/2" SPACER - GREEN
19/32" SPACER - VIOLET
5/8" SPACER - YELLOW
3/4" SPACER - BLUE
3/32" (0.094) DRILL BIT
1/8" (0.125) DRILL BIT
ANVIL PLATE
www.bmracing.com
Part No. 70360
SHIFT IMPROVER KIT for
DESCRIPTION
Page 1 of 11
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Summary of Contents for Bem 70360
- Page 1 INSTALLATION INSTRUCTIONS Part No. 70360 SHIFT IMPROVER KIT for GM 4L60E TRANSMISSIONS, 1993-2006 DESCRIPTION DESCRIPTION PAN GASKET 3/8" SPACER - RED GASKET “C” - CASE SIDE, 1993-2000 3/8" SPACER - WHITE GASKET “V” - VALVE BODY SIDE, 1993-2000 1/2" SPACER - GREEN GASKET “CA”...
- Page 2 B&M Technical Support for replacements. In addition to these instructions, use of a shop service manual for your vehicle is also advised. We recommend that you retain all factory parts. 70360 www.bmracing.com Page 2 of 11 02/07/22 Technical Support (866) 464-6553...
- Page 3 3. There are various harness configurations for the 4L60E. Take some photos of your harness layout and connections, or make a sketch and some notes, for ease of re-assembly. 70360 www.bmracing.com Page 3 of 11 02/07/22...
- Page 4 ” (8mm head), as they only secure the separator plate due to repeated impact over time. manifold pressure switch to the valve body. If it is stuck, it will be removed at Step 15. 70360 www.bmracing.com Page 4 of 11 02/07/22...
- Page 5 Remove the 8th check ball (and check ball “A”, if it’s then wiggling it from side to side to “walk” the piston out stuck in the separator plate), and place it with the others. of its bore. 70360 www.bmracing.com Page 5 of 11 02/07/22...
- Page 6 CAUTION: The retaining ring must be fully seated in its groove. If it isn’t, the pressure regulator assembly will blow out of its bore, and there will be no line pressure. 70360 www.bmracing.com Page 6 of 11 02/07/22 Technical Support (866) 464-6553...
- Page 7 3-4 PIN IN THE 1994-2006 ACCUMULATOR HOUSING: Install the violet 19/32" spacer over the center pin, followed by the 1-2 spring, and piston (face out, as shown). 70360 www.bmracing.com Page 7 of 11 02/07/22 Technical Support (866) 464-6553...
- Page 8 (of any length except the three 3/4" stiffener plate screws, piston, shorten its spacer with a file until the straightedge which will be used in Step 32) into the 2 holes as shown. just clears the piston. 70360 www.bmracing.com Page 8 of 11 02/07/22...
- Page 9 • 2 screws “B” (10mm head; 1-3/8") valve body installation. • 3 screws “C” (10mm head; 2-1/2") • 8 screws “D” (10mm head; 1-7/8") Tighten the 17 valve body screws to 120 in-lbs. 70360 www.bmracing.com Page 9 of 11 02/07/22 Technical Support (866) 464-6553...
- Page 10 42. Install the oil pan and new gasket with 16 pan screws. retaining clip. Tighten screws in an alternating pattern to 120 in-lbs. CAUTION: Prevent oil pan leaks! Do not over- tighten the pan screws. 70360 www.bmracing.com Page 10 of 11 02/07/22 Technical Support (866) 464-6553...
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Page 11: Troubleshooting Guide
• Incompatible assembly grease used (clogging solenoid filter) 2. HARSH SHIFTS Valve Body Assembly: • Wrong holes drilled • Gaskets and separator plate misassmbled or damaged • Check ball(s) omitted or mislocated 70360 www.bmracing.com Page 11 of 11 02/07/22 Technical Support (866) 464-6553...
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