MY350Z.COM - Nissan 350Z and 370Z Forum Discussion

MY350Z.COM - Nissan 350Z and 370Z Forum Discussion (https://my350z.com/forum/)

- 370Z Engine & Drivetrain (https://my350z.com/forum/370z-engine-and-drivetrain-523/)

- - Over heating (https://my350z.com/forum/370z-engine-and-drivetrain/620750-over-heating.html)

Crystal Helton

11-07-2018 05:52 AM

Over heating

I have changed everything on the motor. Head gaskets, water pump, radiator, flush.burped air bubbles, thermostat. It seems to be building up back pressure. When I take off radiator cap and rev it up it will push all the water out instead of sucking it in. It don't get hot sitting at idle .it gets hot as soon as I get a half a block down the road. Please help......... I have a 2005 roadster

bealljk

11-07-2018 06:25 AM

did you get the heads machined when you did head gaskets?

dkmura

11-07-2018 06:25 AM

Hard to say what's going on with your ZR from just a description. Are both the upper and lower radiator hoses getting hot after the car is warm?

travlee

11-07-2018 06:43 AM

Why do so many noobs post in the 370 section

Crystal Helton

11-07-2018 03:50 PM

Yes I got them machined at a shop

Quote:

Originally Posted by bealljk (Post 10976151)

did you get the heads machined when you did head gaskets?

Yes I did

bealljk

11-07-2018 04:01 PM

Quote:

Originally Posted by Crystal Helton (Post 10976180)

Yes I did

what's your answer to DK's post #3 - do the hoses get hot?

Possibly your heads / head gaskets got installed wrong and aren't sealing...combustion pressure is seeping out of the cylinders and into the coolant jacket / coolant system forcing coolant out.

onevq35de

11-07-2018 04:38 PM

Air is still in the coolant system.

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