5.9 gas cooling problem

Asked by May 09, 2016 at 05:39 PM about the 1998 Dodge Ram 1500 4 Dr Laramie SLT 4WD Extended Cab SB

Question type: Maintenance & Repair

Having a cooling problem  I just bought this truck
the radiator was sepperated from the plastic side
tanks to the cooling tubes I've replaced with a
used one the clutch fan is new and the water
pump was replaced and the thermostat 194° put it
a pan heated up on stove to make sure it worked    
I can let idle for 40 minutes as I'm filling water
making sure all the air is out with the a.c. on and
temp climbed to 210° after an hour of run time all
and all with everything buttoned up  I can live with
that but as soon as run the truck 70 mph it gets
hot 230-250 turn off the a.c and it comes back
down to 230 and seems to stay but if you push the
motor harder it gets hotter as I go slower setting in
traffic/stop lights it cools down to 210-220 I just
don't get it. It seems to be backwards it should be
over heating with the a.c. on idling other than
rolling down the road with more air and water
movement any help would be great info

2 Answers

Feeling kinda silly but I found the issue Radiator was plugged in the mid section NOTE TO SELF As you do any changes to the cooling system run you hand on the Radiator palm flat and if your coolant is flowing property you will feel even heat from top to bottom of radiator GRRR

90

Fist get to regular temp squeze hoses to check for flow BE CAREFULL HOT .may have to flush your heater core .had that with mine after putting new radiator in

Your Answer

Dodge Ram 1500 Experts

  • #1
    Dan Connell
    Reputation
    6,460
  • #2
    pudgybear
    Reputation
    6,260
  • #3
    dandyoun
    Reputation
    5,690
View All

Related Models For Sale

Used Ford F-150
2,320 Great Deals out of 182,094 listings starting at $1,000
Used Chevrolet Silverado 1500
2,145 Great Deals out of 167,073 listings starting at $1,498
Used Dodge Ram 2500
163 Great Deals out of 4,962 listings starting at $2,999
Used GMC Sierra 1500
886 Great Deals out of 65,336 listings starting at $1,995
Used Toyota Tacoma
608 Great Deals out of 42,670 listings starting at $1,500
Used Ford F-250 Super Duty
374 Great Deals out of 44,451 listings starting at $2,400
Used Dodge Dakota
110 Great Deals out of 3,697 listings starting at $1,700
Used Dodge Ram 3500
83 Great Deals out of 2,222 listings starting at $5,995
Used Ford Mustang
710 Great Deals out of 38,301 listings starting at $895

Used Cars For Sale

2010 Dodge Ram 1500 For Sale
70 Great Deals out of 1,423 listings starting at $5,995
2009 Dodge Ram 1500 For Sale
40 Great Deals out of 1,060 listings starting at $5,995
2008 Dodge Ram 1500 For Sale
72 Great Deals out of 1,573 listings starting at $3,000
2007 Dodge Ram 1500 For Sale
43 Great Deals out of 1,362 listings starting at $3,588
2006 Dodge Ram 1500 For Sale
55 Great Deals out of 1,263 listings starting at $2,994

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.