C 2500 Truck 2WD V8-6.5L DSL Turbo VIN S (1997)
7. Electro-Hydraulic Control Unit (EHCU) assembly from vehicle.
8. Four T-25 Torx bolts from EBCM.
9. EBCM from BPMV. A light amount of force may be necessary to remove the EBCM.
NOTE:
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Do not pry on the EBCM or BPMV. Excessive force will cause damage to the EBCM.
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Do not reuse the EBCM gasket or mounting bolts. Always install a new gasket and new bolts.
10. Three Allen bolts from the combination valve.
11. Combination valve from the EBCM.
12. Two transfer tubes.
NOTE:
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Do not reuse the transfer tubes. Always install new transfer tubes.
Install or Connect
1. New transfer tubes in the combination valve. Ensure tubes are fully seated.
2. Combination valve to BPMV.
3. Three Allen bolts. Tighten bolts in two steps:
a. Tighten first to 8 Nm (6 lb. ft.).
b. Tighten next to 16 Nm (12 lb. ft.).
4. New EBCM gasket to EBCM.
NOTE: Do not use RTV or any other sealant on the gasket or mating surfaces.
5. EBCM to BPMV.
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Inspect gasket to verify proper alignment.
6. Four new EBCM Torx bolts.
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Tighten Four bolts to 5 Nm (39 inch lbs.) in an X pattern.
7. EHCU in vehicle.
8. EHCU to bracket retaining bolts.
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Tighten three 13mm bolts to 9 Nm (7 lb. ft.).
9. Front and rear brake pipes to combination valve.
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Tighten brake pipe fittings to 24 Nm (18 lb. ft.).
10. Three hydraulic lines to tube adapters on BPMV.
11. Differential switch electrical connector to combination valve.
12. Four electrical connectors.
13. Negative battery cable.
14. Complete bulb check.
15. Bleed the brake system. Refer to Antilock Brake System, Service and Repair.
