Question about Toyota 4Runner

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I replaced the head on my engine. I'm getting water in the crank shaft. what would cause this?

I replaced the head on my 87 toyota 4 runner 22r engine. since then, i have been getting water in the crank shaft. What would cause this?

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  • Richard Scordino May 11, 2010

    Check the head for cracks when you had it off?? Dye test)

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Sound's like you have a bad head gasket or worst a cracked head. Regard less repair the problem and change the oil soon, the antifreeze is carosive to the bearings in your engine. 
Good luck and hope this helps

Posted on Apr 19, 2009

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Either you have a bad head gasket, or a cracked head, was it a new or used head you put on?
if its used you should always have them checked before installing!!1

Posted on Apr 19, 2009

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Was the head machined? if not the head is bent and is causing the water to leak into the crank shaft

Posted on Apr 19, 2009

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How to fix a timing chain rattle on a 85-94 Toyota 22R engine


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There are two basic different 20-21-22r engines, and three different timing chain setups. The early tall block 20-22r block used a dual row chain with steel backed rubber faced guides, the 83-84 22r used a single row chain with plastic guides and short step bolts, then came the final setup, a shorter block, thinner head, combustion chamber with a large squish area, nearly flat pistons, and pear shaped exhaust ports. It has a single row chain, with plastic guides with long step bolts on the left (drivers side) and short step bolts on the right holding the guides on. On this last 22R there is high incidence of guide failure, usually starting with the long straighter left guide breaking, allowing the chain to rattle against the timing cover in the area where the coolant passes through to the water pump, eventually wearing through and letting coolant into the crankcase. Upon inspection we find the chain is loose when installed, the tensioner is close to half way out on a new engine.

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This is critical if the block and head have been surfaced, making the chain even looser.

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