how do i replace a heater core in a 1991 Cadillac Seville
Dec 24, 2010 at 3:03 AM
heater core
1991 CADILLAC SEVILLE
SPEAR828
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HEATER CORE
Removal & Installation
1. Disconnect negative battery cable. Partially drain coolant. Remove glove box and lower sound insulator panel from under right side of dash.
2. Remove programmer and disconnect electrical connectors from BCM. Remove BCM and BCM mounting bracket. Disconnect electrical connectors from PCM. Remove PCM and mounting bracket.
3. Remove heater core cover. Remove heater hoses from heater core. Remove heater core by removing two screws. Installation is reverse of removal. After installation, adjust Air Mix Valve.
© 2008 Mitchell Repair Information Co., LLC.
Removal & Installation
1. Disconnect negative battery cable. Partially drain coolant. Remove glove box and lower sound insulator panel from under right side of dash.
2. Remove programmer and disconnect electrical connectors from BCM. Remove BCM and BCM mounting bracket. Disconnect electrical connectors from PCM. Remove PCM and mounting bracket.
3. Remove heater core cover. Remove heater hoses from heater core. Remove heater core by removing two screws. Installation is reverse of removal. After installation, adjust Air Mix Valve.
© 2008 Mitchell Repair Information Co., LLC.
Dec 28, 2010 at 6:14 PM