Bravada V6-262 4.3L VIN W CPI (1994)
3. Inlet and outlet hoses (72 and 70) to fittings.
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Apply rubber lubricant to the inside diameter of hose ends, If desired.
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Slip a new hose clamp over one end of the hose and push the hose onto the heater pipe with a twisting motion.
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Repeat the hose and clamp installation procedure at the other end of the hose.
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Tighten clamp screw to 1.7 Nm (15 in. lb.).
4. Engine coolant.
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Use the coolant drained earlier only if it is uncontaminated. Discard contaminated coolant and add fresh 50/50 coolant and water mixture.
Inspect
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Be sure the installed hose(s) do not sag or rub against other components. Adjust or support the hose as necessary to correct.
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Operate the engine and check the hose installation for leaks.
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Tighten the hose clamp screw a bit at a time, if necessary, to stop a leak.
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Check the coolant level after the engine has been warmed up and allowed to cool. Add coolant as required.
