GC German Castrol 0w30 6533 mi 2000 VW Passat 2.8L

[tdimaniac]

My first UOA on this vehicle (thanks to you guys

GC German Castrol 0w30 6533 mi 2000 VW Passat 2.8L V6

Vehicle type: 2000 VW Passat 2.8L V6
Oil type: German Castrol 0w30 batch 0402xxx
Miles on vehicle: 83444
Miles on oil: 6533
Months on the oil: April 2006 – November 11 2006 (sample date)
Oil Sump volume: 6.5 L
Oil added: about 1 qt (I think I added a little straight 30 wt during the summer)
Oil Filter: Mann Langzietfilter W 930/21
Air Filter: OEM paper, installed at 75,000 miles
Engine Mods: bone stock
Driving style: wife’s daily driver to school (Aug – May) 10 mile each way commute, at 40 to 60 mph
Climate: 40 to 95 F.

Iron: 7
Chromium:0
Lead: 6
Copper: 3
Tin: 0
Aluminum: 2
Silicon: 9
Potassium: 2
Sodium: 1

Fuel: Neg
Water: Neg
Glycol: Neg Neg
Visc @ 100c: 12.1
Soot: 0
Oxidation: 55
Sulfonation: 30

Analysis by CAT/Thompson Machinery, Lavergne, TN.

I was alarmed at the lead, but when I compared it to other VW/Audi 2.8L engines, it actually was the lowest per 1000 miles on the oil. Also had the lowest values per 1000 miles for Al Cr Fe Pb and Sn I also did something different this time, I left the oil filter in since it is rated at 30000km/2 years, and will change it at the next oc.

 

[tdimaniac]

I don't think you can edit post anymore? Anyways wanted to add this is a post ARX rinse/clean period (it was the next oil change after the rinse phase was completed) and also had 2 oz of ARX in the oil.

 

[Al]

Looks good. I always hate these analysis that don't give more items. But it does have sodium and potassium which are indicative of any antifreeze.

 

[Cutehumor]

I agree with Al, not alot of information, but what was given. nothing jumps out at me.

My wife drives 20 miles to school to MTSU nursing school four times a week. driving I-24 east. I'll have a UOA via butler in 3 months.

 

[Turbodriven]

Looks pretty good. On the note of antifreeze, I know VW have had quite a lot of trouble with antifreeze and in particular the mixing of other antifreezes with their OEM stuff...essentially its a bad idea (mixing) since it turns to brown sludge and causes agressive corrosion. I know this trouble was particular to the G11 and G12, however the G12+ was a more user friendly fluid. Anyway, may just warrent a check and possible change to the G12+. A tell-tail sign of having a problem was a brown expansion bottle.

 

[tdimaniac]

sorry about the lack of info, but the local cat dealer provides this for about $10, although the turn around has been terrible lately, maybe i should go to blackstone or another lab....


as far as antifreeze i only use the vw/pentosin g12 stuff for vws... i think it is purple.

 

[Auto-Union]

I ran GC in this engine to 11k mi /6 months a few times.