Failed leakdown after new gasket and resurface - Honda-Tech


Failed leakdown after new gasket and resurface

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Old 03-12-2017, 05:55 PM   #1
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Default Failed leakdown after new gasket and resurface

My d16y8 just recieved a new head gasket and resurface. Problem is when i pressurize a cylinder i get air in the coolant. Im almost convinced that block must be resurfaced. Any input is welcomed.

Do i need to dissassemble the block to have it decked?
should i resurface the head again? 1,000 miles since done last.
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Old 03-13-2017, 05:06 PM   #2
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Default Re: Failed leakdown after new gasket and resurface

block may be warped, and yes it needs to be completely torn down to resurface.
could have a cracked cylinder too. or the head may be cracked
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Old 03-13-2017, 05:10 PM   #3
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Default Re: Failed leakdown after new gasket and resurface

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Originally Posted by motoxxxman View Post
block may be warped, and yes it needs to be completely torn down to resurface.
could have a cracked cylinder too. or the head may be cracked
Thinking a crack would cause a leak from 1 or 2 cylinders, not all 4
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Old 03-13-2017, 06:09 PM   #4
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Default Re: Failed leakdown after new gasket and resurface

Have you heat cycled the head gasket? Or is this before running the engine even once after the install?
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Old 03-14-2017, 05:09 AM   #5
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Default Re: Failed leakdown after new gasket and resurface

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Have you heat cycled the head gasket? Or is this before running the engine even once after the install?
theres 1,000 on the new gasket
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Old 03-14-2017, 06:15 PM   #6
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Default Re: Failed leakdown after new gasket and resurface

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Originally Posted by Ridler3d View Post
theres 1,000 on the new gasket
Thank you. The way your post read, I and possibly others can't tell if you were pressuring the cylinder immediately after install or after some use (heat cycles) and discovering the reoccurring issue.
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