Question about 1998 Oldsmobile 88

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How long to replace a heater core in a 1998 olds 88 v6

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Remove and replace heater core, pre Mitchell labor guide is 5.9 hrs, does not include recover, evacuate and recharge a/c system, to remove heater core, that should be about another 1.4 hrs, hope this was very helpful.

Posted on Aug 30, 2010

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Posted on Jan 02, 2017

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1994 oldsmobile 88 heater core


wow big job, ok here we go, cold engine drain cooling system,loosen clamps and disconnect hoses from core plug ends, under hood, now inside remove right side under dash panel,remove heater floor outlet duct,remove screws and clips that secure core cover,remove cover then core retaining straps and core reverse to put back together

Jan 04, 2014 | Cars & Trucks

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Step by step instruction to replace heater core 1998 oldsmobile 88


1. First you have to disconnect the Oldsmobile vehicle battery, then you have to drain the engine coolant into a clean container, most models don't have a drain plug on the bottom of the radiator, so you must take off the lower radiator hose to drain the system.

2. Second you have to remove the drain tube from the heater's housing and disconnect the heater hoses from the core, to reach out the heat core you have to take off the sound insulators on both sides of the car, then the steering column's opening filler and finally the air outlet duct and the floor air outlet.

3. Third you have to disconnect the heater core cover and then remove the core-to-housing mounting clamps and remove the heater core.

4. Fourth you have to Install the new heater core and connect the mountain clamps. I did a quick online search and if you need new Heater Core this site looks like it has cheap prices, free shipping and great reviews http://www.buyautoparts.com/heater_core.htm

5. Fifth Replace all the core cover,rear floor air outlet, air outlet duct, steering column opening filler, sound insulators and center console (if equipped). Reattach the heater hoses to the core and the drain tube to the housing and fill the cooling system, using new coolant if the old liquid doesn't appear clean. Be sure the lower radiator hose is securely back in place before filling the radiator. Reconnect the negative battery cable.

Oct 07, 2013 | 1999 Oldsmobile Bravada

2 Answers

Replace heater core in a 1987 olds delta 88


Here's a link on how to replace heater core.

Dec 27, 2012 | 1987 Oldsmobile Delta 88

1 Answer

How to replace heater core on 1998 Lincoln Towncar - need pictures, etc.


If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.
.

Feb 08, 2011 | 1998 Lincoln Town Car

1 Answer

1988 Chevy Blazer Heater Core Replacement


first determine if the heater core is located high or low by raising the hood checking against the firewall {by following the heater hoses to the fire wall} if it is high need to remove the dash. if it is low get on your back and start removing clips and screws no special tool needed.

Feb 14, 2009 | 1998 Chevrolet Blazer

2 Answers

Water leak


sounds like heater core is it wet in the front on the floor under dash check out or the heater valve could be leaking also

Jan 01, 2009 | 1998 Pontiac Bonneville

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