DirtyD23
Member
I am getting ready to upgrade my turbo and injectors but while I am working on the vehicle I figured I would try and do all the preventative maintenance I could.
Build thread: http://forums.tdiclub.com/showthread.php?t=388206
Right now I am trying to decide whether to replace the rings and/or rebuild the head. I have quite a bit of oil consumption-.85qts/1000 miles. The car's condition mechanically seems decent for a mostly stock car at 170k besides a hissing EGR cooler. No discernable drivability issues, slight hesitation, but that seems to have gotten worse as the EGR cooler deteriorated so I'm thinking its related. It only smokes under WOT (black) and initial start up for a few seconds (white/grey). I get decent mileage considering I drive pretty aggressively. (regular 4k shifts) 39 in town and I see 47 on the highway doing about 75.
The oil consumption I haven't been able to figure out. Dealer performed a leak down and compression test. Leak down was less than 5% on all cyl but compression was 26-30 bar (377-435psi) which seems low to me for a broken in TDI. IC pipe had a decent amount of oil in it. Dealer recommended I change the rings but I don't want to get that involved until I rule out everything else.
OCI is 10K with a filter change at 5k. I use T6 or Mobile1 TDT
I've done a little research here and come up with a few things
-PCV-although the dealer said that the PCV system is working fine.
-rings- whether bad or just sticking
-turbo- obviously getting replaced
I have an endoscope but haven't pulled the GPs to look inside at the bores.
So should I look into replacing the rings and/or rebuilding the head?
Id rather not tear into the engine that far if I don't have to, but id like to be able to drive it worry free for many years as it is a great Fun/economic DD and my 4x4 isn't as cheap or fun to drive.
Also, any other items that I should address as far as reliability going forward due to the age/mileage or the added power. Obviously hoses, vacuum lines, clean EGR and intake. IC was rinsed out due to oil.
Build thread: http://forums.tdiclub.com/showthread.php?t=388206
Right now I am trying to decide whether to replace the rings and/or rebuild the head. I have quite a bit of oil consumption-.85qts/1000 miles. The car's condition mechanically seems decent for a mostly stock car at 170k besides a hissing EGR cooler. No discernable drivability issues, slight hesitation, but that seems to have gotten worse as the EGR cooler deteriorated so I'm thinking its related. It only smokes under WOT (black) and initial start up for a few seconds (white/grey). I get decent mileage considering I drive pretty aggressively. (regular 4k shifts) 39 in town and I see 47 on the highway doing about 75.
The oil consumption I haven't been able to figure out. Dealer performed a leak down and compression test. Leak down was less than 5% on all cyl but compression was 26-30 bar (377-435psi) which seems low to me for a broken in TDI. IC pipe had a decent amount of oil in it. Dealer recommended I change the rings but I don't want to get that involved until I rule out everything else.
OCI is 10K with a filter change at 5k. I use T6 or Mobile1 TDT
I've done a little research here and come up with a few things
-PCV-although the dealer said that the PCV system is working fine.
-rings- whether bad or just sticking
-turbo- obviously getting replaced
I have an endoscope but haven't pulled the GPs to look inside at the bores.
So should I look into replacing the rings and/or rebuilding the head?
Id rather not tear into the engine that far if I don't have to, but id like to be able to drive it worry free for many years as it is a great Fun/economic DD and my 4x4 isn't as cheap or fun to drive.
Also, any other items that I should address as far as reliability going forward due to the age/mileage or the added power. Obviously hoses, vacuum lines, clean EGR and intake. IC was rinsed out due to oil.