2000 Jeep Laredo leakage in the control panel vacuum system

Tiny
JEEP JACKSON
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE LAREDO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
I have a 2000 jeep grand cherokee laredo and the heating system blow cool air. How can find and fix the leak in the vacuum lines.
Tuesday, November 17th, 2009 AT 6:25 AM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
No heat
check if engine reaching operating temp if not check and suspect thermostat
if it reaching operating temp
open hood and locate heater hoses by the firewall
carefully try to check if both hot
they should if not suspect plugged heater core and it need to be flushed
if both hot and no heat inside suspect blend door motor under dash in the HVAC box
let me know your finding
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Tuesday, November 17th, 2009 AT 4:42 PM

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