Final assembly after porting wastegate tips before start up
08-22-05, 10:36 PM
#1
Rotary Freak
Thread Starter
Final assembly after porting wastegate tips before start up
i am finishing up putting my 1989 s5 t2 back together after porting the wastegate i want to run over anything that i should do before start up how should i prime the system so the turbo is lubricated before i start it up and any tips or tricks to do to maker it run at it's best any suggestions will be helpful
08-23-05, 01:06 AM
#2
Man... I didn't do anything to prime the system after removing/replacing the turbo. I think the oil is mainly for cooling purposes (if not ONLY for cooling). I'm not certain, but I don't think it's necessary to prime the oil system for the turbo's sake.
If you still want to prime the oil system after everything's been installed, remove the EGI (fuel) fuse, disconnect the white CAS plug and 'crank' the car. After several moments you should notice the stock oil pressure guage rising. Your oil system will have been offically primed.
The only tip I can give you is go slow and don't forget to make sure you've got a good gasket on the upper (little) oil line feeding into the turbo. This gasket was completely worn out on my TII the 1st time I pulled my turbo and was causing all sorts of smoking. I fixed it using High temp RTV (black) and I haven't had a problem since.
Don't forget to use the lock washers on all the manifold/turbo bolts (they come loose easily without them).
Make sure you've got all your hoses clamped down tight after the install, because starting the car with a vac. leak when you're hoping for success... Well, just sucks.
If you still want to prime the oil system after everything's been installed, remove the EGI (fuel) fuse, disconnect the white CAS plug and 'crank' the car. After several moments you should notice the stock oil pressure guage rising. Your oil system will have been offically primed.
The only tip I can give you is go slow and don't forget to make sure you've got a good gasket on the upper (little) oil line feeding into the turbo. This gasket was completely worn out on my TII the 1st time I pulled my turbo and was causing all sorts of smoking. I fixed it using High temp RTV (black) and I haven't had a problem since.
Don't forget to use the lock washers on all the manifold/turbo bolts (they come loose easily without them).
Make sure you've got all your hoses clamped down tight after the install, because starting the car with a vac. leak when you're hoping for success... Well, just sucks.
08-23-05, 09:57 AM
#3
Lives on the Forum
Typical oil priming procedures is...
To have a healthy battery - if not, have a charger handy...
I like to pull the ECU fuses and crank at least 3 times - 10 to 15 seconds per cranking session to not overheat the starter.
You should be able to see the oil pressure gauge at least "flicker"?
This should get the oil presurized into the turbo.
Once that is done, you can go ahead and replace the fuses and start the engine normally.
-Ted
To have a healthy battery - if not, have a charger handy...
I like to pull the ECU fuses and crank at least 3 times - 10 to 15 seconds per cranking session to not overheat the starter.
You should be able to see the oil pressure gauge at least "flicker"?
This should get the oil presurized into the turbo.
Once that is done, you can go ahead and replace the fuses and start the engine normally.
-Ted
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