My 1973 Volkswagen Beetle oil and also in my fuel pump

Wyatt Bigham

Asked by Feb 06, 2016 at 10:25 PM about the 1973 Volkswagen Beetle

Question type: Maintenance & Repair

When I look in my oil cap is has a milky substance
mixed with my oil, I went to auto zone and they said
it was a "rot". What can I do to solve this problem?
And can I just get my whole car flushed of this stuff
cheaply or is it expensive ? Thank you!

2 Answers


That is usually caused by the crankcase vent being plugged, so check the venting system then usually changing the oil a few extra times will clear it up, also run a good grade of engine oil, one made for air cooled engines. I think Autozone folks were thinking of what the used car guys called lot rot, it was from just sitting on a lot and just getting started up and ran for a few minutes then shut off.


I got this in my old beetle when I used Pennzoil- there is some kinda wax in that oil- it went away when I started using better oil like Valvoline or Castrol- it may take a coupla oil changes to disappear completely- your air cooled engine must have more frequent oil changes because the oil is acting as a coolant- so keep up on the maintenance- like checking that crankcase vent- and the oil filter- etc. etc.

Your Answer

Add photo

Related Questions

  • 1973 Super Beetle Won't Start -- Need Help 9 answers

    I just took my beetle (Little Greta) to a mechanic and had a new shifter put in and the brakes fixed. And I was able to master the manual transmission (yeah!) I can now drive her. Problem, though...

    1973 Volkswagen Beetle


    Maintenance & Repair

  • I HAVE A 1973 BEETLE IS THE BRAKES BAD? 4 answers

    Hello i have a 1973 beetle so every time i want to stop i have to "pump" the brake 4 or 5 times before it brakes need help please

    1973 Volkswagen Beetle Cabriolet


    Maintenance & Repair

  • 1973 volkswagen beetle 1600cc when i turn the key it does all the right things but it wont kick over 1 answer

    this happened a few days ago and i don't know how this fixed it but i pulled the gas line from the carb put it back on then it started right up it has ran and started fine for 2 days now it wont sta...

    1973 Volkswagen Beetle


    Maintenance & Repair

  • 1973 super beetle turns over, but doesn't start 3 answers

    My little super beetle will turn over, but won't start. Sometimes she runs, sometimes she doesn't.....I started her this morning with starter fluid, she ran for 4 seconds and then stopped. Battery is ...

    1973 Volkswagen Beetle


    Maintenance & Repair

  • Volkswagen Super Beetle Needs Motor 5 answers

    I am currently interested in purchasing my first Volkswagen Beetle. I have located a 1973 Volkswagen Super Beetle but it is in need of an engine. The questions are these: What type of engines will fit...

    1973 Volkswagen Beetle


    Shopping & Pricing

Search Volkswagen Beetle Questions

Volkswagen Beetle Experts

#1 tenspeed
Reputation 1,460
#2 Chris Billings
Chris Billings
Reputation 1,380
#3 Tom Demyan
Tom Demyan
Reputation 1,080
View All

Related Models For Sale

Used Honda Civic"
1,145 Great Deals out of 59,092 listings starting at $995
Used Ford Mustang"
725 Great Deals out of 41,064 listings starting at $900
Used Volkswagen Passat"
269 Great Deals out of 22,490 listings starting at $1,299
Used Volkswagen Golf"
38 Great Deals out of 2,713 listings starting at $1,995
Used Toyota Corolla"
1,403 Great Deals out of 67,100 listings starting at $1,295
Used Fiat 500"
134 Great Deals out of 6,338 listings starting at $3,000

Used Cars For Sale

2016 Volkswagen Beetle For Sale
6 Great Deals out of 1,667 listings starting at $12,900
2015 Volkswagen Beetle For Sale
21 Great Deals out of 737 listings starting at $9,977
2014 Volkswagen Beetle For Sale
26 Great Deals out of 514 listings starting at $9,595
2013 Volkswagen Beetle For Sale
67 Great Deals out of 1,193 listings starting at $6,995
2012 Volkswagen Beetle For Sale
29 Great Deals out of 530 listings starting at $7,300