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holden vp 1992 drain holes

COMMY VP 666

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for coolant

on the side of the block is there coolant drainage plugs?

or have to do it another way?
 

COMMY VP 666

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u sure there the welch plugs, isnt it a lil one in the middle of them?
 

centy

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if your coolant is that bad then you would be better off flushing the system then refilling with fresh water and the right amount of concerntrated coolant.
 

COMMY VP 666

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yeah thats my plan, flush till water comes out clean, drain, then re-fill 50/50
 

Morton

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Run a garden hose or a large funnel into one of the radiator hoses (with the thermostat out) and pump craploads of water through. Then do a reverse flush.

Then fill up with a bottle of coolant flush concentrate and tap water, close the system (still without thermostat) and run the car for half an hour. Turn off, wait to cool, flush the entire system again as you did before.

Then if it's particularly bad, fill with coolant flush and do it all again.
 

pow3rslave

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Run a garden hose or a large funnel into one of the radiator hoses (with the thermostat out) and pump craploads of water through. Then do a reverse flush.

Then fill up with a bottle of coolant flush concentrate and tap water, close the system (still without thermostat) and run the car for half an hour. Turn off, wait to cool, flush the entire system again as you did before.

Then if it's particularly bad, fill with coolant flush and do it all again.
^^what he said^^


https://forums.justcommodores.com.au/threads/how-flush-v6-cooling-system.28762
^^link to how to^^
 
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