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 Post subject: Sick of uphill overheating!!!
PostPosted: Tue Sep 15, 2020 12:34 am 
LOST Newbie

Joined: Wed Jun 21, 2017 4:53 pm
Posts: 16
Hi There!!!

Yesterday coming back home from a Sunday drive, I drove the Liberty for 35 Miles of uphill mountain road, at 45-50 mph, supposed to be easy driving, but again the old thing started to happen...

The engine got up to 3/4 overheat, all maintenance is properly done and scheduled. What is this issue, how can I solve for good, here where I live there's a lot of uphill/downhill driving, and going around felling scared of the engine blowing for something that can be prevented, is not nice....

What can I do, before I really start to think on how to get rid of it... ( yesterday came home missing the old 2001 XJ that I sold in order to get this Liberty 2008.... ). Normal daily driving is not a problem. The problem is when I want to enjoy a good long drive on the outsides...

Brakes got overheated very easily as well...


For my Mall Crawling Stock Beast

Chereveco9 a.k.a Chereveco

 Post subject: Re: Sick of uphill overheating!!!
PostPosted: Tue Sep 15, 2020 9:10 am 
LOST Addict
User avatar

Joined: Sun Oct 23, 2011 7:32 am
Posts: 3058
Location: Philadelphia, PA
A couple of things come to mind.

Might be worth doing a coolant flush, replace with new HOAT coolant, then make sure there are no air bubbles in the system. If the old coolant is really dirty it might be possible part of your radiator is plugged. If non-HOAT was ever used, it can create globs that can clog the radiator and heater core.

The plastic impellers inside your water pump might be worn away with age, so it could be time for a new water pump even if it’s not leaking. The thermostat might also need changing.

Do you have an auxiliary mechanical fan attached to your water pump? This fan came with the tow package, but can be installed at any time. It has made a difference keeping mine cool.

You could always install some hood vents to let out some heat, lol.

2008 Liberty Sport 4x4 Automatic
Jeepin By Al 4" Lift Kit
BFG KO2’s 245/75R16
Full MOPAR skid plates
Rock Lizard Skink Super Sliders
AtTheHelm Front Recovery System & Roof Rack

M116A3 Trailer build thread: viewtopic.php?f=72&t=77997

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