Savana 3/4 Ton Van V6-4.3L VIN W (1998)
Expansion Block/Orifice Tube: Service and Repair
Expansion Tube
Expansion Tube Inspection
Tool Required:
J 26549-E Orifice Tube Remover and Installer or Equivalent
Remove or Disconnect
1. Recover the refrigerant from the system.
2. The retainer from the evaporator case to the evaporator tube.
3. The evaporator tube from the evaporator.
4. The expansion (orifice) tube using J 26549-E.
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If difficulty is encountered during the removal of a restricted or plugged expansion (orifice) tube, the following procedure is recommended:
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Remove as much of any impacted residue as possible.
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Carefully apply heat with heat gun (hair dryer, epoxy dryer, or equivalent) approximately 7 mm (0.25 inch) from dimples on the inlet pipe.
Do not overheat the pipe.
