Heater - Reduced Output Temperature: Overview

14-13

Sedan Range

DATE
8/97
Amended 10/97

Poor Heater Performance - Coolant Specification Change - Replace Coolant & Heater Core

MODEL
1995-97 MY Sedan Range

VIN
720001-803241

Remove and destroy Bulletin 14-13, dated 8/97.
Replace with this Bulletin.
Warranty revisions are marked with a bar and in bold text.

ISSUE:
Some Sedan Range vehicles within the above VIN range which were filled with the blue green coolant in production, may experience reduced coolant flow through the heater core as a result of deterioration of the coolant.

Starting with VIN 803242 an improved coolant Jaguar D542, which is yellow in color has been used in production to correct this condition.

ACTION:
In case of a customer complaint only of reduced heater output temperature on a Sedan Range vehicle within the above VIN range, perform the following
procedure:

^ Verify the Customer's concern by performing the Heater Core Coolant Circulation Test described.

^ Drain and discard the existing antifreeze as described.

^ Flush out the cooling system twice with plain clean water.

^ Replace the heater core.

^ Refill the cooling system, using Jaguar Antifreeze D542.