The buildup of pressure may cause heater core to ruptureand discharge hot coolant and steam in the proximity of the drivers legs.

Visibility — Defroster/Defogger/Hvac System — Heater Core

Date Announced
MAY 31, 1988
Vehicles Affected
240,000
NHTSA Campaign #
88V087000
Summary
Cooling system pressures during overheated engine operation may exceed the strength capability of certain components due to inadequate venting capacity of the system pressure cap.
Actions
Replace all coolant system pressure caps with one having adequate venting capacity.
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