Jump to content
SAU Community

Recommended Posts

OK I accelerate as normal.......... hits 3000rpm and starts to boost a little, then it sounds like a hair dryer in the bloody engine bay!

It just sounds like its blowing!

And the car is very sluggish on boost....

Now my first thought was boost leak.... checked it all over and it seems to be fine.... all hoses attached and the blowing is so loud that it wouldn't be a tiny split or hole in the hosing...

So I thought maybe the bov (trust plumback) had farked up.

Just changed it over and still the same problem.

I did however notice a fair bit of oil inside the bov.

So now I am stuck for ideas!

Link to comment
https://www.sau.com.au/forums/topic/16204-please-help-problem-with-my-skyline/
Share on other sites

you shouldnt loose that much power

but sounds more like a leak than a breakage. check for moisture around any of the exhaust gasket areas, make sure no intercooler pipes have blown off and that theres no boost leaks (which youve already done)

is it definately an air-rushing sound and not a mechanical sound? that would be the decider!

  • 1 month later...
Originally posted by DREMEN

They reckon that its not the stud...... the guy said he has only ever seen 3 skylines with all studs intact :)

So now I have it booked in to have a smoke test done....

There has to be a boost leak somewhere but I just can't find it :)

I want my baby fixed :(:(

Sorry for dredging up slightly dead topics but my R33 has a broken exhaust manifold stud as well.

Did they give you a price on fixing it? Ive been told $1000. But i brush that off as them taking me for a sucker, they said they wanted to "do them all at the same time" which i took to mean "we want to take all your money at the same time".

Im a bit interested to know that this is a common skyline problem. Has anyone ever fixed this before?

They would have been right dude. If you have broken one off, which means you have the bolt stuck in the thread of the block, then it has to be drilled out and re-tapped. Tricky and time consuming hence costing money, and ya guaranteed to snap at least another getting them off. Ya gotta remember also to get the manifold off, you need to remove all the intake piping, the turbo, the manifold etc. then ya gotta take the block out... not a small job.

Originally posted by YBSLO4

They would have been right dude. If you have broken one off, which means you have the bolt stuck in the thread of the block, then it has to be drilled out and re-tapped. Tricky and time consuming hence costing money, and ya guaranteed to snap at least another getting them off. Ya gotta remember also to get the manifold off, you need to remove all the intake piping, the turbo, the manifold etc. then ya gotta take the block out... not a small job.

Thanks. Yeah, thinking about it, there is a lot of labour.

Does a broken stud mean it will be leaking exhaust gases? Perhaps not since im only running stock boost. I dont hear any leak noises or feel any power loss, but its always been broken so i may not notice it.

With the manifold removed you should be able to get at the studs with a drill and easyout without taking the engine out. If I had to drill them right out I would use inserts rather than just retap the holes to a larger size. None of mine have broken yet, do you guys use a torque wrench??

DREMEN

Do yo get a boost reading on your boost gauge?

Check that the top half of your inlet is bolted down properly

I had a boost leak from there once.

also with the broken exhaust stud I also have one broken but not leaking (broken before I got the car) and I've been running 14 psi for about 2 years now.

Regards

Damqik

abroken stud wont cause an exhaust leak unless you have some seriously big exhaust flow. You gotta remember there is two studs for each outlet so there is a small chance of it being able to leak as there is still one bolt holding that onlet in place, as well as the strength through the other 10 bolts on the othre 5 exhaust outlets. I have a broken stud on mine it broke last week when fitting my turbo and is the reason why after i took that one off (luckily was first bolt closest to radiator) that i changed plans and removed the turbo without taking off the manifold. Be careful with them, they come out easy but once you bolt them back in they are rediculous, they snap before you even get an load on the bolt. Definately replace them if you ever take them out.

I drove my R32 over a gate magnet on an industrial driveway and ruptured my engine to manifold, manifold to turbo gaskets and 2 other smaller gaskets down the exhaust line...

I took it to an exhaust shop and was quoted over a grand to fix it because of the labour involved... I said shove your grand up your azz!

I have 2 good mates from Cyber Motorsports int and they have access to full workshops, therefore, we spent a weekend (about 24 hrs total) removing my turbo and all ancillary stuff, refitting new gaskets and putting it all back together after a general clean up etc.

Gaskets can be bought from Nissan Aust in Brisbane, at about $106 for the engine to manifold, and $30 ish for the other 2 (manif>turbo and turbo>dump) so $180 ish for all 3 (not bad really).

You need an air drill to drill in the middle of the studs (I had 5 broken off in the head) and the easy out is a must. I was extreemly lucky that all my studs came out in one piece otherwise the head comes off and "rebuild" enters the equation.(nasty $$$)

I must say that I thoroughly enjoyed the experience as I now know exactky what goes on under there (respect maybe, but I still thrash it).

PM me for any finer details as I know everything first hand.

The help I had made it all possible, so make some friends with workshop connections and it will be all good!

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • I just got to work and skimmed through 61508 and 61511. I was surprised the CSA adopted both, but neither are enforced. To recap what I read, it states that in a perfect world, they should be segregated but they acknowledge that this is not industry standard and clearly mention that they allow mixing of safety and non-safety. 61511 also mentions software segregation like AB does in their safety PLC's.   Now if only I could go back to control, let alone safety over comms. In my current line of work, we're only allowed monitoring and basic control over comms. Everything critical must still be hard wired as much as possible. 
    • I've unfortunately never been as they're on the complete other side of the continent and another country that isn't currently letting us in as easily as they use to. I even heard their stop signs over there actually say "Stop" instead of "Arret". If I decided to trek the 48h drive, I wouldn't know when or where to stop haha. Whenever I order parts from UP Garage, I order from Japan as it's cheaper. Same with GKTech... oddly enough, it's cheaper shipped from Australia then it is the US.  UP Garage Japan operates their US leg though, unlike Tomei. If Tomei JPN had the power to close down Tomei USA, I'm sure it would be done in a day. They're two completely separate entities. Tomei JPN messed up somewhere originally agreeing to its creation and got sacked big time. 
    • I asked someone about this and he told me about the Audi 1.8T engine. But I think it would be difficult to swap
    • I don't know that machine specifically, but I'd personally go for something with a little more kick than 130amp. Around up to 180 would be good. At the 6mm range, you're really pushing the machine hard and don't have a long period you can run for with out needing to give it a rest. Lots of MIG machines come with a regulator and hose. A lot will come with a starter roll of wire too, but it isn't too expensive to buy. I'd recommend NOT buying a massive roll too, as you don't want it sitting around FOREVER in the machine between uses and potentially going to shit. For thin sheet metal, get a roll of 0.6mm if you're doing over 3mm and above, switch over to 0.8mm wire. Even by 2mm you'd probably really want to switch. As for gas battle, it's all swap and go style now. You'll pay a bottle deposit, and then X amount to swap for a full one. I think it's like $200 or $300 for a D Size bottle upfront as "deposit", and like $110 to $150 per swap. My D size CO2/argon bottle lasts a fair bit of welding on the MIG. And I run an E size bottle on the TIG. For DIY MIG, stick with a D size bottle. If you really start to get into a LOT of welding and doing it really regularly, then upgrade. If you're like most DIY car guys, one D bottle will last you 2 or 3 years easily. I think I've been on my current bottle about 5 years. It is starting to get low, but I've been smashing it a lot more the last 6 months.
    • SR20s came with cars like the Bluebird and Primera, but the RB20 never came. The ones in Turkey were either brought in specially or from abroad. That's why RBs aren't as common as SRs. And if a part breaks or I need to replace it when doing maintenance, it's harder to find parts for RBs.
×
×
  • Create New...