Compression Ignition Addict
Join Date: Apr 2007
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If your system isn't dirty, why add harsh chemicals? Many people have clogged a perfectly good oil cooler by using the acidic flush chemicals.
When I changed coolant I just used distilled water.
I am at 205k miles and have had no oil cooler issues.
Your coolant system will always be a little dirty. It is not like it has to be perfectly clean because it never will be. If it is cooling fine, then chemical cleaning might just disturb areas that have stable corrosion films that were causing NO PROBLEMS. When these corrosion materials stick ion the oil cooler passageways, you will be spending quite a bit more money to fix that problem.
Now, if the coolant system has been abused (overheated, run on very low coolant concentrations, etc), that may warrant a flush.
If you just HAVE to use a flush chemical, I would ONLY use the FLEETGUARD RESTORE (do NOT the RESTORE plus or the VC-9).
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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Last edited by bismic; 07-30-2018 at 09:12 AM.