Question about Rockford Fosgate T10001 bd Car Audio Amplifier

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Heater problem 96 cherokee

96 cherokee heater prob,blower works normal,little heat comes out.replaced thermostat and heater core assembly, heater core not plugged. Help?

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Blend Door not working. Probably the blend door actuator 3 Wires , 1 12V ign, 1 GRD, 1 temp is voltage controlled like hot is 11v and cold is 2V if voltage chanes w/ knob then faulty actuator--usually what it is,

Posted on Feb 10, 2009

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Is the heater valve opening?

You may want to re-post this in the automotive section. For some reason, it's in the car audio amplifier troubleshooting section.

Posted on Nov 26, 2007


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Posted on Jan 02, 2017

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Both hoses are hot, heater core not clogged, blend doors work fine (already check via cutting in the assembly for repair), blower works fine, luke warm heat coming out 1999 jeep grand cherokee laredo

ok, its just a heat exchanger.
all that matters for heat is:
1: the engine must reach 180F + and hold, does it.???
we use the scan tool , is ECT reading that, good.!

or hand IR pyro gun,,, pointed at the thermostat housing
then pointed at both heater hoses.... what do they read.

2: the hot water must flow through the core, must.

3: air must flow through said core. (damper or dirt blocking core)

gotta be...

back flush the core? yet? see it flow good?

Sep 01, 2015 | Jeep Cars & Trucks

1 Answer

Heater core or thermostat

Nothing in or around the heater core could make a noise. The core is just a small radiator with coolant circulating through it. And if you feel both heater hoses, and both are hot on a warmed up engine, then coolant is circulating through the core and the heat should be working. There must be a door in the heater case that is not letting heat come out.
The noise may be from the blower motor and its plastic fan assembly. It should be pretty easy to take out the blower motor and check for any obstruction.

Dec 10, 2013 | 2003 Ford Windstar

2 Answers

2005 Mitsubishi galant heat doesn't work. Blower works and air conditioning work but no heat comes out. Coolant is full. Just feels like outside air temp with heat on hot.

Your thermostat may be stuck open and your coolant isn't getting hot to warm the cab.Here's a link on how to replace,very easy to do.Don't let your pets near spilt coolant,will kill them.

Oct 11, 2013 | Cars & Trucks

1 Answer

My 96 dodge ram 5.2 has little heat replaced water pump,hoses,radiator,heater core,and blend doors all work properly.heater blower works good. if i let truck warm up and turn on blower i get 30 seconds of...

You made no mention of thermostat or radiator cap, both are common problems. The cap you can have tested at any good auto parts store, to see if it's holding adequate pressure.

Jan 06, 2011 | Dodge Ram 1500 Cars & Trucks

1 Answer


Make sure the blower runs, then make sure the heat and ventilation control doors move as they should. If you have hot coolant flowing through the heater core, air flow through the core, and appropriate air flow path, then you will have heat.

Aug 12, 2010 | 1992 Ford LTD

1 Answer

1996 jeep grand cherokee blower works but no heat. I flushed heater core with hot water, replaced thermostat, and water pump is circulating. Vacuum line?

Since your blower is working and it is a heat issue,thats where we'll start,First thing is have you checked the coolant level in the radiator when engine is cold,make sure it is filled to top,next verify you have coolant in reserve ,Start your van and get it up to normal operation temperature,If your heat gauge on the dash works correctly it should be 190 degrees,Now lift the hood and locate the two heater hoses going into the heater assembly at the fire wall,Both hoses should be hot to hold on to,if both are hot and no heat inside your problem will be the blend air door in heater assembly.
if neither hose is that hot you need to replace the thermostat in the engine to get it up to 195 degrees.
if one hose is hot and one is luke warm then the heater core is blocked and to blame. hope this helps you.

Jan 12, 2010 | 1996 Jeep Grand Cherokee

3 Answers

99 jeep cherokee problem w/ heat I replaced the blower motor, water pump,radiator, thermostat and flushed the coolent system. Still getting little heat. I'm thinking heater core or head gasket... Is there...

It sounds like the heater coil needs flushing out or replacing or the heater valve. Look on the engine firewall and make sure the heater valve is opening. If not open it manually and check the heat level. If that produced heat check the condition of the heater vale cable (or vaccum hose).

Jan 05, 2010 | 1999 Jeep Cherokee 4WD

1 Answer

No heat blower is working new thermostat,

flush the heater core its more in likely clogged. Google heater core flush.

Dec 14, 2009 | 1998 Jeep Grand Cherokee

1 Answer

96 Jeep Country-Heater blowing warm; NOT hot

unless you got visable signs of leakage its not heater core, but it could be pluged with sediment. take off both heater hoses and flush it both ways until it runs clear. you can also mix a little baking soda and water and pour in core and let set for a while and then flush.

Jan 11, 2009 | 1996 Jeep Cherokee Country

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