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Heater hose diagram for 1999 suburban - 1999 Chevrolet Suburban

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Posted on Jan 02, 2017


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1999 suburban rear heater hoses disenigrated. What is the most affordable way to replace them? Is there a cheaper hose than the ones advertised for this?

unless there are special connectors on hose ends you can use bulk heater hose this can be bought in a box from most auotparts stores for less than 40 dollars

Oct 16, 2013 | 1999 Chevrolet Suburban

1 Answer

I just bought a 99 chevy suburban and they have like 6 differant hoses disconneted. why

my guess is that there is a leak in the heater core and the hoses have been disconnected to save loss of water

Jan 24, 2013 | 1999 Chevrolet Suburban

1 Answer

The heater is just blowing cold air

Lots of late 90s suburbans on here with heater core problems, yours probably another. But check first for a valve in the heater hose, could be stuck; and check second for the temperature control flap being stuck all the way in the open position.

Nov 18, 2010 | 1999 GMC Suburban

1 Answer

1999 Suburban leaking what appears to be coolant under the middle of the vehicle

middle in the front, or middle half way back to the rear? Front could be the water pump or heater hose connector.

Nov 17, 2010 | 1999 Chevrolet Suburban

1 Answer


your lines going to the back may be plugged up and the antifreeze is not able to flow through the rear heating system. disconnect your cooling lines at the back and see if there is coolant in both sending and return line hook a garden hose to the lines see if you can flush out the whole heater system in the back

Jan 07, 2010 | 1999 GMC Suburban

1 Answer

1999 GMC Suburban heater valve assembly

it is a type of quick disconnect like on the fuel line if you squeeze the taps on the clip the hose should come out pretty easy.

Aug 30, 2009 | 1996 GMC Suburban

1 Answer

Why are heaters are not working on 95 suburban?

try flushing the heater core with a garden hose

Jan 11, 2009 | 1999 Chevrolet Suburban

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