hi
just purchased a
1998 s70 t-5
with 220k miles in really clean condition
automatic etc etc


has a few codes
po102,po300,po302,po304,po410,po455,po505

and has a decent oil leak from somewhere on the backside of the engine, cant visually see it from the top


what should i start with first? plugs wires cap and rotor?

thanks

 

Congrats on the ride. Looks real good.

Just do it all at the same time. Tune up kit and probably the turbo return like seal.

 

think that will solve most of my problems?
where is the turbo located at? back side of engine?

 

yep... in front of the steering wheel side.

 

think that could be my oil leak? is there any real common oil leaks on these? mine is leaking i believe backside of engine but i couldn't see where but its a pretty decent leak and only when it warms up

 

I have a thread about oil leaks on our S70. I also did a write up on stopping the cam seal leaks (replacement). There was a little plate on the back of our motor that was leaking, I had to order and replace the gasket. I have one or 2 more gaskets if you need them.

The turbo return line connection is the most common leak back there.

 

If you look at the mount and shaft, just above the shaft and right of the mount, you will see the turbo. Just right of the turbo you can see the turbo return oil line that is bone dry here, it has the line going through the bracket with a bolt or two with a seal behind the bracket.

 

okay I am having a buddy who is a ase mechanic and knows his stuff check it out and i will find out for sure what is leaking and let you know on that gasket
thanks!

 

would any of the leaks you mentioned only leak when its warmed up? It won't leak when started or sits for a while, just when its warmed up etc

 

Probably leaking when pressure or boost is applied.

 

bring anything up in your mind? or could it be anything?

 

ttttt