Question about 1999 Jeep Grand Cherokee

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2002 Jeep grand cherokee,heat not blowing out?

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Are the heater core hoses hot? does the blower motor work?

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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SOURCE: 2002 jeep cherokee laredo

the only problem that vehicle has is with cooling fans is relay/module or electrical harness to module that burns up located behind and under right front headlamp assy must remove headlamp to access relay/module that is what powers up fan motor module assy.

Posted on Aug 10, 2008

  • 20 Answers

SOURCE: 2001 Jeep Grand Cherokee which fuse controls heated seats?

Fuse # 20, located in the Junction Block (interior, drivers side). This is a ten amp fuse.

CLICK_HERE

Read the information at the above site. The TSB (technical service bulletin) may be of interest to you.

Posted on Nov 20, 2008

  • 31 Answers

SOURCE: 2005 jeep grand cherokee ac blows cold only on drivers side

I agree, these vehicles have a problem with the blend doors and since the accuators hit the door when it opens and closes, it breaks the doors. and it's a huge job to replace them.

Posted on Mar 12, 2009

  • 114 Answers

SOURCE: 2002 wj jeep grand cherokee p1756

The governor pressure sensor is the most likley cause however an inspection of fluid or debris in trans pan would be a good idea to make sure there's nothing excessive in it. Attached is a list of possible causes however the senor would be the most common.

POSSIBLE CAUSES

  • Powertrain control module
  • 5 volt supply circuit open
  • Check transmission fluid level and condition
  • GOV press sensor signal circuit shorted to voltage
  • GOV press sensor signal circuit shorted to sensor ground
  • GOV press sensor signal circuit shorted to ground
  • GOV pressure sensor signal circuit open
  • Sensor ground circuit open
  • GOV press sensor signal circuit shorted to voltage inside transmission
  • 5 volt supply circuit open inside transmission
  • Intermittent governor pressure solenoid
  • Internal transmission problem
  • Oil burnt or oil pan has excessive debris
  • Other transmission DTC'S
  • GOV press sensor signal circuit shorted to sensor ground inside transmission
  • Valve body
  • GOV press sensor signal circuit shorted to ground inside transmission
  • GOV press sensor signal circuit open inside transmission
  • GOV press sensor ground circuit open inside transmission
  • Governor pressure sensor (high)

Posted on Mar 26, 2009

  • 323 Answers

SOURCE: 97 Jeep Grand Cherokee only blows heat and ac out of dashboard

There is a vacuum leak under the hood. If it's a 6 cylinder, look on the drivers side for a vacuum line that runs vertical with a 90 degree angle fitting to the manifold. That one usually comes off. If it is a V8 look on the battery side for a broken or corroded vacuum line.

Posted on May 18, 2009

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1 Answer

2000 jeep cherokee limited dual heat one side only blows hot air


You will have to check the flap operating controls behind the centre consol as anything could be wrong from a vacumn pipe to a operating mechanism ,even the computer controlling the climatic control .

Dec 03, 2011 | 2000 Jeep Grand Cherokee

1 Answer

2002 jeep grand cherokee heated seat quit working only the driver side passenger side still works


hi
contact your jeep dealer as there was a recall for the grand cherokee heated seat pads as some of them heated to much and set the seat on fire... they will replace them free off charge.
hope this helps

Feb 28, 2010 | 2002 Jeep Grand Cherokee

1 Answer

My 2002 grand jeep cherokee is blowing out hot air on passenger side and cold air on driver side can u help also the heated seat on driver side has stopped working is this linked


Thats your blend air door. . .I had the same thing with my 02 Grand Cherokee and I think ALOT of other people have as well. I took it to the dealer and ended up costing right around $800, because they have to pull the dash apart to get to the blend air door.

Dec 19, 2009 | 2002 Jeep Grand Cherokee

1 Answer

The fan works but my 2002 jeep grand cherokee wont blow heat what is wrong


It could be the thermostat or a plugged heater core. Check hoses going in to firewall after the vehicle has reached operating temperature for a drastic change in temperature if one hose is hot and the other cold or just warm your heater core could be plugged and would need to be flushed.

Nov 05, 2009 | 2002 Jeep Grand Cherokee

1 Answer

2002 Grand Cherokee heater warm on drivers side cold on passanger


generally this is caused by a "blend door " motor (actually a vacuum control) not working. I don't have a diagram on this but if you watch the motors mounted to the heater box under the dash, and operate the control, you likely will find one not moving (check all positions including a/c)

Jan 22, 2009 | 2002 Jeep Grand Cherokee

1 Answer

The blower s not working on a 2002 Jeep Grand C


I had the same problem. Mine was the wire harness that connects to the blow bow. My wires were getting to hot and melting the harness. Try to wiggle the wires that connect to the blow bax while the heat is on high.

Jan 18, 2009 | 2002 Jeep Grand Cherokee

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