Jeep Cherokee Forum

Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
All OEM related XJ specific tech. Examples, no start, general maintenance or anything that's stock.

Heater

Thread Tools
 
Search this Thread
 
Old 12-11-2012, 08:31 PM
  #1  
Seasoned Member
Thread Starter
 
worleyburd's Avatar
 
Join Date: Aug 2012
Location: Amarillo, Texas
Posts: 288
Likes: 0
Received 0 Likes on 0 Posts
Year: 1992
Model: Cherokee
Engine: 4.0I
Default Heater
If the heater is warmer coming from the foot compartment than from the vents is my blend door not working right?
worleyburd is offline  
Reply Like
Old 12-11-2012, 08:50 PM
  #2  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,876
Received 1,526 Likes on 1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default
Maybe. Poke your noggin undeer the passenger side dash and move the Cold>Hot slide on the control. See that cable moving? Is it traveling all the way to the stop?
cruiser54 is offline  
Reply Like
Old 12-17-2012, 03:49 AM
  #3  
Seasoned Member
Thread Starter
 
worleyburd's Avatar
 
Join Date: Aug 2012
Location: Amarillo, Texas
Posts: 288
Likes: 0
Received 0 Likes on 0 Posts
Year: 1992
Model: Cherokee
Engine: 4.0I
Default
Blend door is fine, both tunes are warm to the touch, does they mean I just need to flush or?
worleyburd is offline  
Reply Like
Old 12-17-2012, 05:36 AM
  #4  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,876
Received 1,526 Likes on 1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default
Originally Posted by worleyburd
Blend door is fine, both tunes are warm to the touch, does they mean I just need to flush or?

What are tunes?

Both of the heater hoses in the engine bay, at the firewall, need to be real close to the temp of the radiator hoses when the engine is completely warmed up.
cruiser54 is offline  
Reply Like
Old 12-17-2012, 10:26 AM
  #5  
CF Veteran
 
djb383's Avatar
 
Join Date: Nov 2009
Location: The Republic of TEXAS
Posts: 8,172
Likes: 0
Received 14 Likes on 14 Posts
Year: 1998
Model: Cherokee
Engine: 4.0L HO
Default
Originally Posted by worleyburd
If the heater is warmer coming from the foot compartment than from the vents is my blend door not working right?
I believe the floor vents are the closest vents to the heater core. The outlets/vents farther away from the heater core will have slightly cooler air. Heater performance is tested at the floor vents.
djb383 is offline  
Reply Like
Old 12-18-2012, 05:21 PM
  #6  
Seasoned Member
Thread Starter
 
worleyburd's Avatar
 
Join Date: Aug 2012
Location: Amarillo, Texas
Posts: 288
Likes: 0
Received 0 Likes on 0 Posts
Year: 1992
Model: Cherokee
Engine: 4.0I
Default
How do I get the tubes to the heater core off? Dam things are on there good
worleyburd is offline  
Reply Like
Old 12-18-2012, 05:21 PM
  #7  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,876
Received 1,526 Likes on 1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default
Originally Posted by worleyburd
How do I get the tubes to the heater core off? Dam things are on there good
You mean the hoses?
cruiser54 is offline  
Reply Like

Trending Topics

Old 12-18-2012, 07:38 PM
  #8  
Seasoned Member
Thread Starter
 
worleyburd's Avatar
 
Join Date: Aug 2012
Location: Amarillo, Texas
Posts: 288
Likes: 0
Received 0 Likes on 0 Posts
Year: 1992
Model: Cherokee
Engine: 4.0I
Default
Originally Posted by cruiser54

You mean the hoses?
Yeah haha my bad
They probably haven't been taken off since it was made.
worleyburd is offline  
Reply Like
Old 12-18-2012, 07:50 PM
  #9  
::CF Moderator::
 
cruiser54's Avatar
 
Join Date: Aug 2011
Location: Prescott, Az
Posts: 43,876
Received 1,526 Likes on 1,238 Posts
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default
Originally Posted by worleyburd
Yeah haha my bad
They probably haven't been taken off since it was made.
Slice them lengthwise and remove them. If they've been on there that long, they're due for replacement anyway.
cruiser54 is offline  
Reply Like
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Smoking / knocking after water pump failure
jmsummers2012
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
53
04-30-2021 02:35 PM
Removing the heater control valve on a '96 XJ
bradleyheathhays
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
6
10-03-2015 09:51 PM
What heater core should I go with?
Silentj
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
10
10-02-2015 01:24 PM
Heater Core manual bypass valve?
SouthSeaPirate
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
28
09-24-2015 10:12 AM
Who has the best replacement Heater Core
Silentj
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
3
09-24-2015 09:34 AM
Back to Subforum
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
View Next Unread
89 cherokee randomly dies/cuts out

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 



Advanced Search
Quick Reply: Heater


Reply Closed Thread Share

All times are GMT -5. The time now is 07:38 PM.