Welcome guest, is this your first visit?
+ Reply to Thread
Results 1 to 4 of 4
  1. #1
    Senior Member
    Join Date
    Jan 2008
    Posts
    1,176

    Jeep Still Running Hot, after replacing everything. Any Ideas?

    Hey guys, I've got a 99 jeep cherokee sport, 4.0L V6. I've been using this vehicle to tow for years, and the only problems I've ever had with this jeep, are cooling related...

    Here's the lowdown...

    I've replaced, the radiator, two years ago. new hoses around that time. All my fans are good, (Thinking about replacing, they are old). I've replaced the Freeze plugs in the engine block, because they had holes in them.

    I just had a new head gasket, new water pump, and new heater core, new thermostat, less than two months ago. new radiator cap.

    I've taken my jeep to my buddies shop and used the vacuum radiator flushing system, and flushed it 4 times and it looked like mud water, even after flushing 4 times. Came back a week later and did it again, and have the radiator looking halfway clean again. Thinking about going one more time to be sure. I'm sure it's loosened some more grime up in there.

    I used a laser heat gun and took temp readings, and the newer radiator looks a little sketchy, I'm thinking that even though it's relatively new, all the nasty stuff in there, could have clogged it.

    I'm thinking about a new radiator, but I don't really think I need one. But if I got one, I'd get an aluminum radiator. But I shouldn't need to do all this. If all this stuff, doesn't work, I'm thinking about other things I could do to improve the cooling on my jeep, Any Suggestions?

  2. #2
    Dez
    Dez is offline
    Senior Member
    Join Date
    Feb 2009
    Posts
    11,623
    Have you checked the timing? Too slow will make it run hot. Thermistat in backwards or non existant? Does it have electric fans? Good shrouds? The stock radiator is about $200 or so and the aluminum is well over twice that and shouldn't be necessary. You may have some blockage in the block itself as well. Do a good engine flush?

    If all else fails call BOb Walden at 512 947-1552

  3. #3
    Administrator
    Join Date
    Oct 2006
    Posts
    1,014
    Check the tranny temps. Sometimes the tranny shares the same radiator as the car and can cause higher engine coolant temps if tranny is running hot from towing and or if it's on it's way out.

  4. #4
    Dez
    Dez is offline
    Senior Member
    Join Date
    Feb 2009
    Posts
    11,623
    Yea if your Jeep didn't come with a tranny cooler I'd jump on one anyway. Cheap and easy to install and could seriously impeed the premature death of your tranny, especially since you are hauling with it.

 

 

Ads

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Similar Threads

  1. For Sale - 07 Jeep Wrangler - Lots of new stuff!!
    By 4Nines in forum For Sale (Boats/Tackle/Etc)
    Replies: 5
    Last Post: 04-15-2011, 01:06 PM
  2. 2005 Jeep Liberty CRD
    By turbobassman in forum Trucks, SUV's and Tow Rigs
    Replies: 3
    Last Post: 03-28-2011, 07:32 AM
  3. Replacing rod Straps.
    By marine0311 in forum Miscellaneous Info
    Replies: 0
    Last Post: 01-27-2011, 06:51 AM
  4. Replacing Fence
    By DaHorns in forum Miscellaneous Info
    Replies: 7
    Last Post: 04-29-2010, 07:56 PM
  5. Replacing Wood/Carpet
    By Yankee02 in forum Tips and Techniques
    Replies: 1
    Last Post: 01-22-2010, 06:40 AM

Search tags for this page

1988 jeep runs hot
,
2006 jeep liberty running hot after replacing thermostat
,
4.0 cherokee runs hot
,
99 jeep grand cherokee 4.0 runs hot after a new water pump installed
,
cherokee xj running hot radiator
,
goes hot should a 04 jeep
,
jeep 4.0 runs hot
,
jeep 4.0 runs hot good timing be the problem
,

jeep cherokee running hot

,
jeep cherokee runs hot
,
jeep cherokee runs hot after hed gasket change
,
jeep cherokee still running hot after replacing thermostat
,
jeep xj new cooling system runs hot
,
new head gasket on jeep runs hot
,
vacumn acuator on my 88 jeep cherokee going out and engine running too hot
,
what can i do to make 88 cherokee run cooler
,
why does my jeep grand cherokee run hot
,
why is my jeep cherokee running hot
,
why is the jeep still running hot?
,
xj running hot with nre aluminum radiator
Click on a term to search for related topics.