Question about 1988 Jeep Wrangler
How do I flush the radiator system?
If you are trying to solve an overheating problem this will not achieve anything, but if just to clean out dirty coolant this is how its done..
When engine is cold !!! with radiator in vehicle.
1/ Remove Top and bottom radiator hoses.
2/ Insert garden hose into bottom hose connection of radiator (Use a rag to help seal the connection) turn on water fully to reverse flush radiator till water comes out of top connection, repeat a couple of times.
3/ Reconnect hose to radiator , fill with clean water only.
4/ Run engine till it reaches normal temperature, then switch off engine and allow to cool.
5/ Remove bottom hose to drain system again, refit hose and refill with a good coolant mixture according to you climate.
Posted on Aug 05, 2008
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Posted on Jan 02, 2017
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