S15/T15 Sonoma P/U 2WD V6-4.3L VIN X (1998)
1. Install the heater core to the heater/vent module.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the heater core access cover.
Tighten
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Tighten the heater core access cover screws to 1.9 Nm (17 lb in).
3. Install the heater/vent module.
