1998 Honda Civic radiator

Tiny
EVOLUTION09
  • MEMBER
  • 1998 HONDA CIVIC
Engine Cooling problem
1998 Honda Civic 4 cyl Front Wheel Drive Automatic

how do I flush my radiator?
Friday, September 26th, 2008 AT 2:29 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi evolution09,

Drain the coolant by releasing the drain plug at radiator. Unloosen the bleeder hole and plug in a garden hose and let water flow through pushing out what you wish to get out.

Reinstall drain plug and fill with water and close bleeder bolt, run engine with radiator cap off till thermostat opens and repeat draining process.

When filling in coolant, do not close radiator cap, run engine and keep topping up till it cannot take in any more coolant. Stop engine and restart till air has been bled from system.
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Sunday, September 28th, 2008 AT 6:22 AM

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