The dash and fire wall need to be taken out.
600.00 to 900.00
To replace the heater core on a 1989 Lincoln Mark VII, first, disconnect the battery and drain the coolant from the radiator. Remove the dashboard and the center console to access the heater box. Disconnect the heater hoses from the core, unbolt the heater box, and carefully remove the old heater core. Install the new heater core, reassemble the heater box, reconnect the hoses, and put the dashboard back in place before refilling the coolant and reconnecting the battery.
The 1989 Lincoln Continental brake booster is located on the firewall in the engine compartment. The brake booster will be on the drivers side of the firewall.
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You might need a new thermostat or heater core.
replace it
the Lincoln continental shares the same dash with the mark series. The continental had a 2.3 turbo as an available option.
right above where the oil filter is located
Try purchasing this bookhttp://www.themotorbookstore.com/lincoln.html
Would have been built for R12, can be converted to R134a.
lincoln continental 1989-1993 and cadillac brougham in 1993
It's a big job! Get a manual on your car to do it right.