Question about 1994 Chevrolet Cavalier

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1995 chevy cavalier is leaking in passager foot well

I have a 1995 cavalier & it has been leaking for a while now I just had my heater core checked out & its fine I did reasearch & found that these cars have this problem does anyone know the best way to fix this.

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The leak is most probably coming from the windshield. Check with a hose and running water over the top and right side of windshield. If you see a leak, pull any trim off and look for rust. Then seal around the windshield from top middle to bottom middle with a good quality windshield sealer. If it's rusted through, get it to the body shop.

Posted on Dec 22, 2008

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What u describe is usually the air conditioner drain hose leaking . When u turn on the heat, the a/c is cycled on, so even in cold weather the system is being used. Any moisture removed from the air travels down a drain tube located on the passenger side of the car. This tube will commonly plug up and instead of draining on the ground under the car, drains into the passenger side of the car. U need to locate the hose either at it's end under the car, passenger side approx. where your feet are, and u can attempt to unplug the hose w/ a fine wire. Or u can locate hose under dash above foot level, disconnect and blow clear w/ air, or again, use a wire to unplug. Let me know how u make out.

Posted on Dec 22, 2008


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1 Answer

My 2001 Chevy Cavalier keeps only heating and leaks coolant. The heater and A/C work. Do i need to replace the heater core or can i just flush it out and replace the hoses. I need help.

FIND the source of the leak and then act accordingly. Could be the core, the hose leaks, a loose clamp, radiator cap.

Check it out..

Nov 21, 2015 | Cars & Trucks

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Antifreeze mist coming through the vents in my 2000 chevy cavalier

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Mar 23, 2013 | 2000 Chevrolet Cavalier

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Water standing on passagers side, drove about 50 miles low coolant light came on running fine and heater seems to be working

The problem is that the heater core has started to leak. The 'water' on the passenger side floor is actually coolant that is leaking from the heater core (hence the low coolant light).

Nov 29, 2010 | 1995 Oldsmobile Aurora

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How to install a heater core

GM Cavalier/Sunfire 1995-2000 Repair Guide Heater Core - REMOVAL & INSTALLATION
(see Figure 1)
  1. Disable the SIR system, as outlined in this section.
  2. Disconnect the negative battery cable.
  3. Properly drain the cooling system.
  4. Raise and safely support the vehicle.
  5. Detach the heater hoses from the heater core.
  6. Carefully lower the vehicle.
  7. Remove the instrument panel.
  8. Remove the DERM with the attaching bracket.
  9. Detach the heater core cover.
  10. Unfasten the heater core mounting clamps, then remove the heater core.

Fig. 1: Exploded view of the heater core and related components

To install:
  1. Position the heater core, then secure with the mounting clamps.
  2. Attach the heater core cover.
  3. Install the DERM with the attaching bracket.
  4. Install the instrument panel.
  5. Raise and safely support the vehicle.
  6. Connect the heater hoses to the core.
  7. Carefully lower the vehicle.
  8. Properly refill the engine cooling system and check for leaks.
  9. Enable the SIR system.
  10. Connect the negative battery cable, then start the engine and check for proper system operation and/or leaks.

Hope this help (remember rated this post) good luck.

May 16, 2010 | 1997 Chevrolet Cavalier

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I have a coolant leak on the passenger side by the firewall on my 1993 chevy cavalier

It's either the heater hose or the heater core that is leaking...

May 09, 2010 | 1993 Chevrolet Cavalier

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I recently had the radiator in my 95 chevy cavalier replaced.I am still having to put water in every week even though we see no leakage.The heater was working exvellent until now.Now I have moisture on my...

Your heater core has a small leak. You can try to fix it with some rad sealant, the kind you put in your radiator, like "Barsleaks" or something. I find the aluminum filing type work the best. When your rad is low, mix the filings in a few cups of water, and then add to the radiator, and let it run for a while. If the leak is more than a pinhole, it probably won't last long, and the heater core will need to be replaced.

Jan 24, 2010 | 1995 Chevrolet Cavalier

1 Answer

95 cavalier / no heat have antifreeze in drivers floor

This would be a indivcation thatyour heater core is leaking or that the hoses that are attached to the heater core is leaking
I would first inspect the hoses that go to the heater core and then remove the cover for the heater core this has a seam in the middle of the box that covers the heater core just use a very sharp knife and gently cut along the seam and remove the cover now you will be able to see the heater core and you will be able to tell if the heater core is leaking or if it is just the hose that is attached to it ok?
I hope this is very helpful for you
Best regards Michael

Dec 26, 2009 | 1995 Chevrolet Cavalier

1 Answer

How to repair heater core for chevy cavalier

I installed a heater core in a 2004 Chevrolet and need to know how to hook up the vent cables (1 goes to the left and 1 goes to the right) for the back of the control knobs. Do they screw in or a are snapped in cant tell.

Nov 24, 2009 | 1992 Chevrolet Cavalier

2 Answers

Need coolant hose diagram for 1992 Chevy Cavalier

it makes no difference as long as you have coolant going it and out

Nov 13, 2009 | 1992 Chevrolet Cavalier

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