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Old 11-12-2014, 01:33 AM
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Mölyapina Mölyapina is offline
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Join Date: Oct 2012
Location: Chelmsford, Massachusetts
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Notes to self:

Remember to pull lower rad hose just to see what happens.
Quote:
Originally Posted by kmaysob View Post
there may be multiple block drains. you might try putting a piece of weedeater string in the block drain to see if it clogged.
Do this^
Quote:
Originally Posted by Zulfiqar View Post
there are two block drains - one for each side of the block - its usually a 14mm head bolt, That sludge you see is due to air in the cooling system.

If you notice - the radiator cap is a bit lower than the Z shaped steel pipe on top of the lower manifold - thats where it locks in air and dexcool starts to accumulate this sludgy junk. I found that its best to backfill the engine with coolant slowly from the heater hose that leads to the back of the thermostat, then fill with a big funnel stuck in the radiator cap opening and keep the level higher than the entire engine start and bleed through the bleed valves.
Remember this^
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