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head swap, coolant drain

 
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Old 12-22-2009, 06:08 PM
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head swap, coolant drain

do i need to unbolt that 19mm bolt in the back of the block to drain all the fluid when taking the head off?
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Old 12-22-2009, 07:18 PM
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Re: head swap, coolant drain

leave it just drain all your fluids, you will have to do timing so you can always get the coolant out by turning the crank...its messy yes but easy just get alot of shop rags.
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Old 12-22-2009, 07:29 PM
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Re: head swap, coolant drain

oh when i turn the crank all the coolant will come out of the radiator ?
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Old 12-23-2009, 04:45 AM
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Re: head swap, coolant drain

I've never heard of turning the crank that will push the coolant out. Yes, if you want all the coolant inside the block to come out, you'll need to remove that big bolt behind the block.
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Old 12-23-2009, 07:46 PM
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Re: head swap, coolant drain

you don't need to take all the coolant out. if your just swapping the head you don't have to drain all the coolant. but when your done and want all your coolant cleaned out put everything back together hoses and all ... and fill your system w/ water leaving the rad cap off and start the car..... the water will pump through the whole system so have a hose or a lot more water ready to FLUSH the system. soon as nothing but clear... water comes out.. then its cleaned all the way. then drain again and do coolant. hope this helps
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Old 12-24-2009, 07:57 PM
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Re: head swap, coolant drain

Bastr:when i take the head off without unbolting that 19mm bolt, the coolant is going to get into the cylinders right?is there alot of coolant left when the block is not drained? im afraid that its going to soak my timing belt and that could cause some problems.
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