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VW GTI 1.8T Oil #1381251
02/21/09 01:27 PM
02/21/09 01:27 PM
Joined: Oct 2005
Posts: 5,099
Fredericksburg, VA
JAG Offline OP
JAG  Offline OP
Joined: Oct 2005
Posts: 5,099
Fredericksburg, VA
New update on my engine/oil issues. I post in this forum because it is a Euro engine and this thread is a continuation of a previous one here: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=851595&fpart=1

I recently finished a 4800 mile run with Mobil 1 5W-40 Turbo Diesel Truck (CJ-4 version). Well, today I checked the valve cover area and PCV system, and found that the oil let me down. Varnish has again formed in these areas. I did not mean to run the oil this long but it just happened. I meant to go about 3700 miles, which with some other oils (like Amsoil ACD), no varnish formed anywhere.

So, I'm quite annoyed and not impressed with M1 5W-40 TDT CJ-4. It is pathetic that 5000 miles is too much to ask of a modern synthetic oil in a modern VW engine, driven in a normal manner. ACEA should use this engine to test long drain oils...it's an oil-killer.

Red Line 5W-30 is now in the engine. It will be interesting how good this oil does in my engine.

Re: VW GTI 1.8T Oil [Re: JAG] #1381258
02/21/09 01:33 PM
02/21/09 01:33 PM
Joined: Dec 2008
Posts: 710
ohio
jldcol Offline
jldcol  Offline
Joined: Dec 2008
Posts: 710
ohio
Not a expert, but varnish does not sound that bad. It is thin and will not block oil passages much, and is well stuck so should not move around and clog things. Gooey sludge much worse.IMHO.


Sorry if unclear, I intended to make no sense at all.
Re: VW GTI 1.8T Oil [Re: jldcol] #1381262
02/21/09 01:38 PM
02/21/09 01:38 PM
Joined: Jul 2004
Posts: 12,070
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline
Joined: Jul 2004
Posts: 12,070
Middlesex County CT
Just reread portions of the O.T. and it seems to be causing you some understandable angst.

Are you just trying different oils? If ACD is working can't you find refuge there?


2004 Prius; 102K; ASL
2007 Yaris 78K 0w-40 Castrol
2006 B2300;132K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: VW GTI 1.8T Oil [Re: simple_gifts] #1381266
02/21/09 01:42 PM
02/21/09 01:42 PM
Joined: Jan 2005
Posts: 7,549
North Alabama
wavinwayne Offline
wavinwayne  Offline
Joined: Jan 2005
Posts: 7,549
North Alabama
My 1.8T has varnish, always has since I bought it at 15k miles. It now has 134k miles and still runs like a champ. I think we make too much of varnish here.


Silence is golden, but duct tape is silver.
2018 Subaru Forester 2.5/CVT
Re: VW GTI 1.8T Oil [Re: wavinwayne] #1381364
02/21/09 03:01 PM
02/21/09 03:01 PM
Joined: Oct 2005
Posts: 5,099
Fredericksburg, VA
JAG Offline OP
JAG  Offline OP
Joined: Oct 2005
Posts: 5,099
Fredericksburg, VA
simple gifts, yes I'm trying different oils for various reasons. I bought 65 qts. of M1 5W-40 on sale so that's what got me off of Amsoil ACD. Now that is not so pleasing. Sometime I may go back to using ACD.

jldcol, this varnish is film-like and also contains chunks of larger particles.

wayvinwayne, the 1.8T PCV system has some parts with very small orifices, so it does not take much to clog them. Then it doesn't work and you get all the negatives of not having crankcase ventilation. It is a terrible design. I replaced my once already at a cost of $500 for parts and labor. I won't do it again. If need be I'll run with a clogged system, but I'd attempt some kind of modification that ventilates the crankcase.

These same deposits also tend to cover the inside of the intercooler, reducing its cooling effectiveness. I've already cleaned that mess off of mine once...not pleasant.

Re: VW GTI 1.8T Oil [Re: JAG] #1381406
02/21/09 03:56 PM
02/21/09 03:56 PM
Joined: Nov 2002
Posts: 30,937
NJ
buster Offline
buster  Offline
Joined: Nov 2002
Posts: 30,937
NJ
I'm very surprised an oil as good as M1 TDT is not holding up well for you. Are you sure it's the oil JAG? The Redline run should be very interesting. How long until you see results for the RL?

Re: VW GTI 1.8T Oil [Re: JAG] #1381477
02/21/09 05:42 PM
02/21/09 05:42 PM
Joined: Oct 2007
Posts: 468
new Jersey
bruno Offline
bruno  Offline
Joined: Oct 2007
Posts: 468
new Jersey
Why don't you stick to VW 502 approved oils ?

Re: VW GTI 1.8T Oil [Re: bruno] #1381623
02/21/09 08:43 PM
02/21/09 08:43 PM
Joined: Oct 2005
Posts: 5,099
Fredericksburg, VA
JAG Offline OP
JAG  Offline OP
Joined: Oct 2005
Posts: 5,099
Fredericksburg, VA
buster, all the maintenance parts on the car that could effect combustion and therefore deposits are not past their replacement date. I don't detect any coolant leak into the oil. So I am blaming the oil.

I probably won't get a good idea of how the Red Line holds up until the 2nd fill of it. This first fill is tainted by the deposits already there.

bruno, I like some VW 502 approved oils and not others. That spec puts the bar above ACEA A3/B3 but not as high as some other specs like MB 229.5. So it's ok but nothing to get excited about. My warranty expired long ago and during that I used VW 502 oils. I had deposit issues in this engine with some of those oils too.

Re: VW GTI 1.8T Oil [Re: JAG] #1381991
02/22/09 10:03 AM
02/22/09 10:03 AM
Joined: Nov 2002
Posts: 30,937
NJ
buster Offline
buster  Offline
Joined: Nov 2002
Posts: 30,937
NJ
It should be interesting to see if RL will further clean and remove existing deposits.

Re: VW GTI 1.8T Oil [Re: buster] #1382206
02/22/09 01:22 PM
02/22/09 01:22 PM
Joined: Jan 2009
Posts: 13,983
Illinois
tig1 Online content
tig1  Online Content
Joined: Jan 2009
Posts: 13,983
Illinois
That,s strange. I can't recall ever hearing a M1 lubed engine forming varnish like you are describing. Normally M1 keeps engines very clean. Sludge or varnish.


2007 Ford Fusion 235,000 miles
M1 0-20 EP
2017 Ford Fusion 60K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

Re: VW GTI 1.8T Oil [Re: tig1] #1383381
02/23/09 03:24 PM
02/23/09 03:24 PM
Joined: Jul 2004
Posts: 12,070
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline
Joined: Jul 2004
Posts: 12,070
Middlesex County CT
 Quote:

It should be interesting to see if RL will further clean and remove existing deposits.


This seems to be a quality bestowed on RL oil by everyone except the mfg.

It took me several 6-9K runs to achieve maximum TBN retention.

This circumstance may warrant Terry's input.


2004 Prius; 102K; ASL
2007 Yaris 78K 0w-40 Castrol
2006 B2300;132K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: VW GTI 1.8T Oil [Re: JAG] #1390894
03/02/09 10:52 PM
03/02/09 10:52 PM
Joined: Jun 2005
Posts: 1,785
Saint Paul (ex-San Diego)
Tornado Red Offline
Tornado Red  Offline
Joined: Jun 2005
Posts: 1,785
Saint Paul (ex-San Diego)
 Originally Posted By: JAG
simple gifts, yes I'm trying different oils for various reasons. I bought 65 qts. of M1 5W-40 on sale so that's what got me off of Amsoil ACD. Now that is not so pleasing. Sometime I may go back to using ACD.

I'm sure there are TDI owners in your area who will be happy to take that TDT off your hands.


'03 Golf TDI, 728k miles: Bosio DLC764, GT1749VB, Malone Tuning, G60/VR6 clutch/flywheel, Bilstein HD, Recaros, Akebonos, Brembos, Pirellis, DG Panzer & FMJ, Delvac 1 5W40
Re: VW GTI 1.8T Oil [Re: JAG] #4631062
01/11/18 05:55 AM
01/11/18 05:55 AM
Joined: Dec 2014
Posts: 2
Czech republic
Lada Offline
Lada  Offline
Joined: Dec 2014
Posts: 2
Czech republic
Hello, what do you think about use 300V 0W40 in a VW 1.8T Stage 1 (about 155kW)? I have also a small additional oil cooler.

Now I'm using 8100 X-Lite 0W30. But X-Lite is no longer offered in my country. I want some premium oil like 300V, Millers CFS or Redline but Redline is expensive. CFS offers 0W30 (HTHS 3,11) and 5W40. 300V has lager range of weights for my engine - 5W30, 0W40 and 5W40.

Re: VW GTI 1.8T Oil [Re: Lada] #4631067
01/11/18 06:10 AM
01/11/18 06:10 AM
Joined: Dec 2011
Posts: 5,109
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 5,109
North Carolina
Originally Posted By: Lada
Hello, what do you think about use 300V 0W40 in a VW 1.8T Stage 1 (about 155kW)? I have also a small additional oil cooler.

Now I'm using 8100 X-Lite 0W30. But X-Lite is no longer offered in my country. I want some premium oil like 300V, Millers CFS or Redline but Redline is expensive. CFS offers 0W30 (HTHS 3,11) and 5W40. 300V has lager range of weights for my engine - 5W30, 0W40 and 5W40.

You're grave digging a bit, don't you think? Stick to an oil with 502/A40/229.5/LL01 and you'll be fine. Doesn't have to be a boutique oil.


"Zed's dead baby, Zed's dead."
Re: VW GTI 1.8T Oil [Re: JAG] #4631106
01/11/18 07:11 AM
01/11/18 07:11 AM
Joined: Dec 2014
Posts: 2
Czech republic
Lada Offline
Lada  Offline
Joined: Dec 2014
Posts: 2
Czech republic
I know 502 is sufficient and 300V is "too good" for 1.8T. I like X-Lite with 502 (quieter engine, more stable temperature). But X-Lite is more expensive than 300V and same as CFS, so there is almost no price difference for me.

Last edited by Lada; 01/11/18 07:15 AM.
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