Join Date: Jul 2011
Location: Hartland, MI
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Coolant Test Fail
Good afternoon everyone, I just completed my testing of the coolant in my truck. 2011 F250 with 42000 miles. The first two test passed but the contamination test failed (for both coolants). Per the instructions that came with the test kits it says if the contamination test fails to drain flush and refill with new coolant
I have searched the forums and have read multiple answers so.........
do I need to drain flush and refill both systems??????????
or do I just add the additive to both and be done with it???????
2011 F250 CCSB 4X4 Lariat with ProComp 6" Lift, Bilstein 5125 shocks, Bilstein 5100 steering damper, 37" Nitto Terra Grapplers, 20" Fuel Hostage Wheels Chrome, PMF Stage 2 traction bars, Rigid Industries dually diffused back up lights, Titan 50 gallon fuel tank