Question about 1992 Chevrolet Lumina APV

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How do i change the heater core in 91 lumina apv

Steams in side , and smells

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Remove glove box and pull computer down from holder, remove air vent valve from under dash and take the fuse box loose. from dash. you will find 6 screws holding cover in place over core. remove them then and remove two bolts that support dash board. pull dash out and remove core cover. Then take hoses loose under hood. You will find one core support on bottom of the left side remove it and take core out you will find the core will cost between 70 and 90 bucks then assemble back the same way.

Posted on Oct 25, 2008


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I need to know where the heater core is located at??

it is under the dash on pass. side behind glove box.Its enclosed in a large housing

Jun 10, 2011 | 1991 Chevrolet Lumina Apv

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No heat

Check for the following causes:
  • Insufficient coolant - i. e., not enough to permit flow in the heater core.
  • Anti-freeze concentration (too much water will allow the liquid to freeze in the radiator, heater core or hoses). This can also cause engine overheating.
  • Collapsed hose to heater core (check both hoses).
  • Bad thermostat on engine.
  • Heater blower not working.
  • Heater door not opening.

Feb 28, 2011 | 1993 Chevrolet Lumina APV

1 Answer

How to bypass a heater core?

You can purchase a manual valve at your local auto parts store, that you can install with 2 hose clamps on your feed line to the heater core. When you get the valve, just cut the line, place on the hose clamps (one on each side of the splice) and install the valve, by sliding the hose onto the valve. tighten the clamps tight, and close the valve. This will cut the feed to the heater core. Takes about 10 minutes to do. If you need the heater, remember to open the valve. thats it. Hope this helps

Feb 23, 2011 | 1994 Chevrolet Lumina APV

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Power slider will not work. changed heater core and something might not have gotten reconnected.

The power slider, check the spring switches on the door jamb. They will probably be very corroded, even green in color. Use course sand paper, and clean both sides. As for the heater core, what is the concern? No heat? gurgling noise? no fan speed? oolant leak?

Jan 26, 2011 | 1995 Chevrolet Lumina Apv

1 Answer

I need instructions on how to replace a bad heater core in my 1990 chev. lumina apv van. Not sure how to do this.

you can get a repair manual on ebay for less than the price of a tank of gas. there will be instructions and photos in it. also search youtube for videos

Dec 08, 2010 | 1992 Chevrolet Lumina APV

1 Answer

Step by step discription on replacing heater core 1995 lumina apv 3.1

I would suggest photo copying the page from local library moters manuel to many things to do from memery.

Nov 27, 2010 | 1995 Chevrolet Lumina Apv

1 Answer

1992 lumina apv smells hot, does not register hot

White smoke means water/antifreeze entering the combustion chamber(s) or intake passages. Suspect a gasket leak somewhere (tighten all intake manifold nuts and bolts). Check all radiator and heater hoses for leakage and hose condition.

Aug 22, 2009 | 1992 Chevrolet Lumina APV

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Need to chang a heater core in this van its a 92 lumana apv

Disconnect the inlet and outlet pipes on the upper right side of the firewall (Its somewhat of a long reach but you can do it) Drain the radiator and then remove the heater core. Its inside the van located in the heater box under the passenger side of the dash board. I believe you may have to remove the inner glove box. I know that is the case on the TransPort and the Silhouette but the Lumina dash is somewhat different in style.

Apr 12, 2009 | 1992 Chevrolet Lumina APV

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