Question about 1999 Chevrolet Silverado 1500

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How to replace heater core in 1999 silverado 4.3 l?

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No heat in my 2001 silverado


Check your thermostat first,could be staying open,not letting your coolant to heat up.If not that then the heater core could be bad.Here's how to check and remove,Here's how to replace heater core.

Dec 05, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

Where is the heater core located on 1999 chevy silverado 1500


I have a Late 1999 Chevy Silverado C1500 Z71. I had one of the heater hose nozzle snap off this past weekend. I looks like the heater core hase some kind connection fitting. And I had the same situation!

Feb 10, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

I just got a 1999 chevy silverado 2wd and the temp reaches 210 but the air dosnt blow hot


1.)heater core restricted-check both heater hoses coming from the heater core if one is cold your heater core is restricted and you will need to flush the core.
2.)Your air mix door actuator in the vehicle is inoperative and you will need to replace it.It is located on the bottom of the heater case in the center of the vehicle.It mounts straight up with a couple bolts.

Dec 23, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

Location of heater water control valve for 1999 Chevrolet Silverado 5.3 liter 2 wheel drive P.U.


The right side hose coming from heater core runs into a connector. There is a hose parallel to this connector. At the end is what your looking for. If your wanting to replace this cause your heater doesnt work id recommend flushing your heater core first. My heat didnt work at all flushed it yesturday and works like a charm.

Dec 17, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

How do i change the heater core on my 1999 chevy silverado 1500?


Inspect/Replace 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.

Dec 11, 2010 | 1999 Chevrolet Silverado 1500

3 Answers

I have a 1999 chevy silverado and I need to change heater core


Not a whole lot different. Just need to keep removing plastic down at the heater until you get to the heater core. Then disconnect it on the firewall side.

Dec 22, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

How do I get to the heater core (through the dash_, but is it on passenger side? I am having trouble getting the bolts off. Truck is Silverado 1999 Z71 (1500).


I just replaced the heater core on my 1997 S-10. If your chevy is anything like mine, the entire dash has to come out. I recommend buying a Hayne's manual for it. Those books are life savers.

Oct 06, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

The nipple on the heater core that connact the


Unfortunately the heater core must be replaced because the nipple is soldered to the heater core and access to the core for resoldering is not possible unless the heater core is remove and so if you go to that kind of trouble you should just replace the core with a new one rather than doing the repair and risking a future leak after reinstalling.

Aug 28, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Heat Core Replacement


there is no diagrams your heater core is under your dash panel you must take the whole dash panel to replace the heater core.



Nov 02, 2008 | 1999 Chevrolet C1500

2 Answers

No heat !!! just blows cold air. I think it might be the thermostat. Where is that located on a 1999 Silverado? It is the small V8


could be the heater core valve, check the cable that opens and closes the water valve to the heater core.

check also the setting of the temperature level. it could still be set to cold.

wait for a few minutes for the water to heat up on the radiator. you could have tested it after you start the car and the engine is still cold.

tnx 4 using fixya,

drcool

Oct 08, 2008 | 1999 Chevrolet Silverado 1500

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