Hi all: I had my car in the shop for a week and a half trying to find out why I was having to add oil every 200 to 400 miles. Larry( Larry's Performance werks,inc, great shop) did a leak down test followed by a chemical treatment to see if that improved the leakage of oil into the cylinders. Results were 1-70%,2-65%,3-70%-4-70%. The crankcase pressure= 0.5KPA.
My plan now is for me to change out the oil trap.
What are your thoughts? To me, the car runs well, but, as I said it's using oil at an alarming rate.
Thanks

 

Those percentages are cylinder leakage? It would not run well, if at all, with those numbers.

 

Have you detected any oil leaks or noticed blue smoke from your exhaust?

 

I believe the percentages were taken from the leak down tester, There are no leaks from what I can see.

 

Sorry, i was referring to external engine oil leaks visible or puddles on the floor when parked. Maybe oil seals, oil hoses etc.

refer link re: leak down testing.
What is a "leak down" test? — Yahoo! Autos

Greater than 30% apparently means serious problems.
Ideally about 5-10% is normal range

 

Greater than 30% apparently means serious problems.
Ideally about 5-10% is normal range[/QUOTE]





Ive parked my 2000 v40 in the same spot in the garage since it was new...no leakage to date....93k odo

 

What are the hard compression numbers?

 

What mileage has she got,mine has over 300,000 and only uses about a litre between changes.

 

My s40 has about 130k on it. The garage did a ring treatment tp remove sludge that might be keeping the rings from sealing properly. I've also assembled the parts to replace the "black box" and hose but haven't installed them yet. I don't notice a lack of power and we continue to drive it daily, just keeping an eye on oil consumption which is not as bad as when I first posted. I'll get into the repairs when it warms up.
Bill