1987 Nissan Truck water flow out of radiator

1136164

MEMBER
1987 NISSAN TRUCK
4 CYL
2WD
MANUAL
167,000 MILES

Ok gauge not real aquarate. Truck loss power cause no water in truck. Got extremely hot. Towed home, cooled off got started without water. Put water in it and it pours out of radiator and near #4 cylinder. Replaced head gasket and same issue. With radiator cap in place it imediately pours out through the overflow. There appears to be alot of pressure pushing the water out. Could a crack be betrween the cylinder wall of the water jacket forcing the compression air through the water port and pushing the water out the lest path of resistance?

Rich in alabama. The temp gauge went to 3/4 but never to hot so I though I had water in it.

I like this truck alot and want to get it running!

5 Replies

2CARPRO JACK

MECHANIC
11,533 POSTS

Did you have the head pressure tested for cracks and surfaced while it was off? Does water still come out by #4 cylinder or does it just get pushed out of the radiator? Did you replace the thermostat? They sometimes will stick after being hot

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Thursday, September 18th, 2008 AT 7:50 PM

1136164

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5 POSTS

No, I did not have it serviced. No water came out of #4 at the intake gasket until I put the radiator cap on. Then it came out the overflow tube and the # 4 intake gasket area. Bought a new thermostat.

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Thursday, September 18th, 2008 AT 9:41 PM

2CARPRO JACK

MECHANIC
11,533 POSTS

Need to find out why it is coming out of the intake area. You should always have a head surfaced and pressure tested while off, it is cheap insurance against installing a warped/cracked head

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Friday, September 19th, 2008 AT 7:35 AM

1136164

MEMBER
5 POSTS

I know why. It is seeking the least path of resistance. It did not come out of the intake until I put the radiator cap on. It is blowing out at the gasket on #4. Do you think it is just a head resurfacing of a block issue? Could the water pump cause this condition? This is only when it is running. Is there a restriction in the intake that would slow down the water flow or is this the wrong flow direction? I suspect I need to remove the head and get it checked. Is that your suggestion?

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Friday, September 19th, 2008 AT 4:20 PM

2CARPRO JACK

MECHANIC
11,533 POSTS

Are you sure itis coming out of the intake manifold gasket. Did you match up all gaskets before reassembly? Im not necessarily suggesting removing the head again, but get a mirror and a bright flashlight and find out exactly where the leak is. May only need the intake gasket to be redone