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Replacing Rb25Neo Head Gasket

hale1320

By hale1320,
in Engines & Forced Induction

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hale1320 Apprentice

hale1320

Posted
Posted

hear we go, the head gasket in my car is less than 6 months old. and it started leaking coolant at rear of the motor by the firewall. so after further inspection i found out it's the damn head gasket. the retard that last replaced it did not put the outer 3 water jacket bolts in. so i put some bolts in it and it just slowed the leak down but it is still leaking. The car does not smoke or have oil in the coolant so I'm guessing that only the outer part of the head gasket is messed up. so im getting ready to replace the head gasket and have a couple of questions.

1.) i have looked and i cant find a good write up on replacing the head gasket. i have never replaced a head gasket on a non American car. anyone seen one? be nice to have a link.

2.) there is good ARP head bolts in it now, can i reuse them or are they trash after being torqued once?

3.) what about a good place to buy a head gasket set? i will probably just stay OEM as the most boost the car will see is around 1.3 bar.

motor came out of a 99 Stagea and is in a r32 GTS-4. any tips, tricks or advice before i start would be appreciated.

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https://www.sau.com.au/forums/topic/361971-replacing-rb25neo-head-gasket/
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zebra Grand Master

zebra

Posted
Posted

find a copy of the RB engine manual, there are a few floating around the interpascals.

A Head Gasket is a head gasket, only pain in the arse part about the RB is getting the cam timing spot on after its all back together.

boostn0199 Grand Master

boostn0199

Posted
Posted

I doubt its leaking because of those 3 small auxiliary bolts on the side as when I bought mine it had none of them on and there was no leak, more likely its been incorrectly installed or torqued especially if there ARP studs you got to do it right or else they will lose tension.

As for changing it just take it slow and yes it is like any other car just check the head and block to see if it is within range for straightness and also make sure you clean the surface very well not leaving any of the old gasket on. If you dont cut any corners and do everything properly there should be no reason to have a leak again.

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