G 3500 1 Ton Van V8-379 6.2L DSL VIN J FI (1992)
prevent the entrance of moisture and dirt. Outside contaminants may reduce A/C performance. Damage to system components could occur.
1.
Install evaporator blower motor assembly to the vehicle (Figure 4).
2.
Install new o-ring to evaporator outlet tube fitting if applicable. Lightly coat o-ring with mineral oil or equivalent prior to installing o-ring to
fitting.
3.
Install evaporator outlet tube to accumulator. Tighten connection to 41 N-m (30 ft.lbs.).
4.
Install accumulator, bracket screw, and bracket to evaporator case. Tighten screw 2.7 N-m (25 lbs. in.) (Figure 3).
5.
Install new o-ring to refrigerant tube if applicable. Lightly coat o-ring with mineral oil or equivalent prior to installing o-ring to fitting.
6.
Install refrigerant tube to accumulator. Tighten connection to 41 N-m (30 lbs.ft.).
7.
Install new o-ring to evaporator inlet tube fifting if applicable. Lightly coat o-ring with mineral oil or equivalent prior to installing o-ring to fitting.
8.
Install evaporator inlet tube. Tighten connection to 17 N-m (13 lbs.ft.) (Figure 2).
9.
Install right marker lamp. Refer to Section 8B.
10.
Install all electrical components and connections, as required (Figure 1).
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Blower motor resistor connector.
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Blower motor relay connector.
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Pressure cycling switch connector to accumulator.
11.
Install bracket to evaporator case.
12.
Install coolant recovery reservoir. Refer to Section 6B1.
13.
Charge refrigerant system. Refer to Section 1B, Recovery, Recycling, Evacuating and Recharging procedures.
14.
Install negative battery cable. Refer to Section OA.
15.
Check the system for refrigerant leaks.
SERVICE PARTS INFORMATION
Parts are currently available from GMSPO.
WARRANTY INFORMATION
For vehicles repaired under warranty, use: (see illustration)
