intake manifold issues

1980-1986 Datsun 720 forums. All 720-specific topics and discussion can be found here.
Datzbruh
Posts: 2
Joined: Wed Aug 08, 2018 12:24 pm
Car: 1982 Datsun 720 KC

intake manifold issues

Postby Datzbruh » Wed Aug 08, 2018 12:44 pm

Hello all, new to this site. Hopefully I can find some help with my issues. I went to replace the intake manifold gasket on my 2.2l, buttoned everything up, filled her up with coolant and started the car up. Sounded like a whining sound coming from the engine. Check the oil level and see I have nothing but coolant in the oil!! Drain the oil and sure enough, coolant. Seems like the coolant ran right into the engine as I poured it into the radiator. is it a gasket? Or can it be the chip marks around the intake manifold that I have noticed? Am I going to have to take the intake manifold to a shop?


Eddie92
Posts: 2
Joined: Thu May 31, 2018 9:28 pm
Car: 1984 Nissan 720

Re: intake manifold issues

Postby Eddie92 » Thu Sep 13, 2018 6:56 pm

Could be a Gasket on the intake. Im not too sure if the 2.2 is the same as 2.4 in terms of the intake. However my 2.4L has another set of holes inder the intake ones where coolant runs through them. I have had once that the gasket was not placed correctly and the coolant went through the intake inlets on the manifold, thus mixing with the oil.


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