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Common Oil Leaks In An Rb25Det?

tripsteady
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tripsteady Proficient

tripsteady

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Hi Guys

So I'm taking my car to my mechanic for a freshen up and to ready the engine for some proper boost (skyline r33 RB25DET)

I want to sort out all oil leak issues - will obviously be doing the rocker cover gaskets,half moons etc...

What else should I replace while there? Anyone know what other common leaks the RB25DET has?

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Ben C34 Grand Master

Ben C34

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Posted (edited)

Yep.

Common spot is the camshaft seals. You would be mental to pay someone to replace just those without also doing belt, tensioners, water pump.

An oil leak makes no difference to how much power an engine can make.

What is involved in this freshen up?

How will it stop it going bang?

Edited by superben
tripsteady Proficient

tripsteady

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Posted

Yep.

Common spot is the camshaft seals. You would be mental to pay someone to replace just those without also doing belt, tensioners, water pump.

An oil leak makes no difference to how much power an engine can make.

What is involved in this freshen up?

How will it stop it going bang?

Did my 100k service about 10k ago. Well the camcover gaskets are leaking pretty bad(as in all RB's) so its kinda obscuring what else could be leaking as well., hence be wanting to know what could be leaking :)

Freshen up will include,walbro gs342, new breather hoses, transmission cooler and fixing up of all oil leaks (4th March) and obviously usual 5000km service(oil and filter change)

Will be installing new radiator,stage 2 shift kit, new radiator hoses, highflow turbo and 550's on my trip after that and then ready to tune (5th May)

  • 3 weeks later...
Kinks Grand Master

Kinks

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Posted

Did my 100k service about 10k ago.

you would be wise to check whether they actually replaced the cam seals or not. cam seals = front of motor, where the CAS bolts onto. mine leaked at 160k because they werent' changed at the 100k service.

cam cover seals are easy to do yourself. cam seals are a lot more work, timing belt off etc.

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