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.

easy way to drain the block of coolant?

Thread Tools
 
Search this Thread
 
Old Jan 7, 2012 | 01:50 PM
  #1  
multiperpus's Avatar
Thread Starter
Member
 
Joined: Oct 2011
Posts: 110
Likes: 0
From: CT
Year: 99
Model: Cherokee
Engine: 4.0
Default easy way to drain the block of coolant?

Long story short. Coolant got mixed in my 99 about 3 years ago..since then I've had 2 radiators go 2 t-stats 1 waterpump..replaced all the hoses..and cleaned it out as best I could while the waterpump was out..the mud that is now in there is no where near as bad as it was and nothing clogs anymore but was wondering if anyone knows of a way to get all of the coolant out so I can start over as fresh as possible?
Reply
Old Jan 7, 2012 | 02:10 PM
  #2  
djb383's Avatar
CF Veteran
 
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
Default

Only if the plug(s) on the drivers side of the block would come out easy. Most of the few folks that have attempted to remove them, to drain the block, have said they are PITA. Next best way to get a good flush/drain of the head/block is to flush with both the t-stat cover and water pump removed. Stick a garden hose in the t-stat hole.
Reply
Old Jan 7, 2012 | 03:36 PM
  #3  
00jeepXJ's Avatar
CF Veteran
 
Joined: Apr 2009
Posts: 1,601
Likes: 1
From: Kalamazoo, MI
Year: 2000
Model: Cherokee
Engine: 4.0L with throttle body spacer and cold air intake, bored throttle body, #784 injector upgrade
Default

^ x2 you can go to your local auto store and rent the kit to do a flush to if you don't have everything torn apart already.
Reply
Old Jan 7, 2012 | 03:52 PM
  #4  
The Rooster's Avatar
CF Veteran
 
Joined: Feb 2011
Posts: 3,074
Likes: 0
From: Bergen County, New Jersey U.S.A.
Year: 1990 Laredo
Model: Cherokee
Engine: 4.0 Inline 6 Renix
Default

I put your garden Jose in there with the Lower was hose off and ri. Water through it until it comes out clean and you do not live on a cold state
Reply
Old Jan 7, 2012 | 05:07 PM
  #5  
multiperpus's Avatar
Thread Starter
Member
 
Joined: Oct 2011
Posts: 110
Likes: 0
From: CT
Year: 99
Model: Cherokee
Engine: 4.0
Default

thanks for the answers... when i replaced the waterpump and the t-stat i ran water through in any direction i could for probably a good 2 hours till it ran clean but the mud still shows up in my overflow and on the cap .. not nearly as chunky or sandy as it was.. was planning on flushing it in the spring (too cold for it now).. was just hoping it could be the last time i have to do it for a while.. temps are all fine i just hate the idea that theres still basically sand blowing around in there.
Reply
Old Jan 7, 2012 | 05:20 PM
  #6  
J0E13's Avatar
Member
 
Joined: Apr 2010
Posts: 98
Likes: 0
From: Mint Hill
Year: 1997
Model: Cherokee
Engine: 4.0L Straight Six!
Default

Originally Posted by The Rooster
I put your garden Jose in there with the Lower was hose off and ri. Water through it until it comes out clean and you do not live on a cold state
Garden Jose. Haha. But Nah this works well. At least that's how I did it. I did find a like flush kit at Advanced. I've yet to try it though.
Reply
Old Jan 7, 2012 | 05:44 PM
  #7  
The Rooster's Avatar
CF Veteran
 
Joined: Feb 2011
Posts: 3,074
Likes: 0
From: Bergen County, New Jersey U.S.A.
Year: 1990 Laredo
Model: Cherokee
Engine: 4.0 Inline 6 Renix
Default

Whoops I meant hose I'm not used to the phone app lol
Reply
Old Jan 7, 2012 | 05:53 PM
  #8  
djb383's Avatar
CF Veteran
 
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
Default

Try this next spring, remove the heater hose and top rad hose from the t-stat cover and remove the bottom rad hose from the water pump (much easier with the air filter box removed). Stick the garden hose in the heater hose, then in the top rad hose, then in the heater hose nipple on the t-stat cover. Doing it this way, u don't flush crud/crap from one place to the other.

Cast iron motors rust easily when coolant corrosion protection degrades. Keep close tabs on coolant color and drain/flush again as soon as color starts to change from green/yellow to off green/yellow. The more u stay on top of it, the longer it'll stay green/yellow between drain/flushes.

Last edited by djb383; Jan 7, 2012 at 05:57 PM.
Reply
Old Jan 8, 2012 | 06:09 AM
  #9  
cruiser54's Avatar
::CF Moderator::
 
Joined: Aug 2011
Posts: 43,971
Likes: 1,579
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Default

I swear the next time I have access to those block plugs on either of my Jeeps, I'm gonna install a petcock with a nipple on it.
Reply
Old Jan 8, 2012 | 08:42 AM
  #10  
xjsnake's Avatar
CF Veteran
 
Joined: Aug 2010
Posts: 1,150
Likes: 1
From: Nashville, TN
Year: 1997, 1993
Model: Cherokee
Engine: 4.0L
Default

Originally Posted by cruiser54
I swear the next time I have access to those block plugs on either of my Jeeps, I'm gonna install a petcock with a nipple on it.
That give me something to think about this spring...
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Fubar92627
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
12
Jun 11, 2017 12:59 PM
g1teg
Modified XJ Cherokee Tech
22
Sep 28, 2015 02:39 PM
Jbri22
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
11
Sep 26, 2015 04:30 PM
Calikingcrawler
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
3
Sep 21, 2015 02:27 AM
Azzy
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
0
Sep 8, 2015 10:49 PM

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



All times are GMT -5. The time now is 07:04 AM.