Change from semi synthetic to full synthetic oil in a 03' Passat TDI.

Asked by Trevor Jun 12, 2013 at 11:23 AM about the 2003 Volkswagen Passat

Question type: Maintenance & Repair

I have been using semi synthetic oil in my 03' Passat 1.9 TDI. Would it be a bad idea to
start using full synthetic oil now after a full engine flush? It is the recommended oil and
offers better protection for my diesel engine but Ive heard that its a bad idea to change
after using semi synthetic in an older engine.

5 Answers

DavidH25 answered 10 years ago

I think you will be just fine. To change that is. For an expert opinion, Google "bobistheoilguy" he knows his stuff and explains things very well

Mark helpful
176,055

tenspeed answered 10 years ago

Here's a liunk to the site that David mentioned -- http://www.bobistheoilguy.com/motor-oil-101/ ---- Congratulations David, I see that you are back up on top where you belong. I've been busy with other parts of life to give the Guru site as much attention as I used to.

Mark helpful

DavidH25 answered 10 years ago

And thanks but I don't know that is 'where I belong" but Thanks, really, and welcome back

Mark helpful

Guru2SVZ3 answered 4 years ago

My 03 Volkswagen passat 1.8t was running on full synthetic oil and I put regular oil and now my car is running weird

Mark helpful

Your Answer:

Related Questions

  • Change from semi synthetic to full synthetic oil in a 03' Passat TDI. 5 Answers

    I have been using semi synthetic oil in my 03' Passat 1.9 TDI. Would it be a bad idea to start using full synthetic oil now after a full engine flush? It is the recommended oil and offers better pro...

    2003 Volkswagen Passat

    -

    Maintenance & Repair

  • PASSAT TDI-PD 2003 2 Answers

    I RECENTLY PUT 15W-30 SEMI SYNTHETIC COMMA OIL IN MY PASSAT TDI-PD, IT MEETS 505.00 SPECIFICATION, BUT CAN I RUN THIS-OR WILL IT DAMAGE MY ENGINE IN TIME ?IM TOLD 505.01 IS THE SPECIFIDE OIL

    2003 Volkswagen Passat

    -

    Maintenance & Repair

  • 2005 VW Passat Oil and Oil filter change 3 Answers

    How to change oil, air filter and fuel filter in 2005 Passat TDI wagon?

    2005 Volkswagen Passat

    -

    Maintenance & Repair

  • high oil pressure in a 2001 passat 3 Answers

    My 2001passat reads high oil pressure stop do not run. How do I fix this

    2001 Volkswagen Passat

    -

    Maintenance & Repair

  • G31 sensor on Passat tdi wiring diagram to computer 1 Answer

    someone disconnected my G31 sensor to the computer on my 05 tdi Passat, I don't know which of the four wires goes to what pin on the computer. Help please. Have not boost without it.

    2005 Volkswagen Passat GL TDi Wagon

    -

    Maintenance & Repair

Passat

Looking for a Used Passat in your area?

CarGurus has 505 nationwide Passat listings starting at $3,499.

Postal Code:

Shortcuts

Search Volkswagen Passat Questions

CarGurus Experts

  • #1
    Deathjam4
    Reputation
    4,460
  • #2
    Chrisand Edwards
    Reputation
    2,630
  • #3
    tenspeed
    Reputation
    2,400
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Volkswagen Jetta
78 Great Deals out of 1,871 listings starting at $1,704
Used Honda Accord
49 Great Deals out of 959 listings starting at $2,995
Used Toyota Camry
51 Great Deals out of 1,116 listings starting at $2,500
Used Volkswagen Jetta GLI
11 Great Deals out of 277 listings starting at $1,704
Used Volkswagen Golf
38 Great Deals out of 506 listings starting at $4,995
Used Honda Civic
181 Great Deals out of 3,936 listings starting at $440
Used Audi A4
29 Great Deals out of 651 listings starting at $943
Used Volkswagen Golf GTI
15 Great Deals out of 504 listings starting at $1,704
Used Nissan Altima
33 Great Deals out of 663 listings starting at $3,795
Used BMW 3 Series
56 Great Deals out of 1,180 listings starting at $2,500
Used Hyundai Sonata
52 Great Deals out of 792 listings starting at $1,543
Used Toyota Corolla
126 Great Deals out of 2,184 listings starting at $103

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.