Hi,volkswagen beetle compression on one cylinder is low

40

Asked by Jul 17, 2015 at 07:31 AM about the 1974 Volkswagen Beetle

Question type: Maintenance & Repair

Hello again,you have been so helpfully, it's great. I have a 1974 volkswagen super
beetle,it hasn't been running in 9 yrs,just started up once a month. The compression on
one cylinder is 60 . I was told the valves may be sticking, and if I use it for awhile it may
get better and the compression will return yo normal. Is there any truth in this statement?
Do I need a motor job?

5 Answers

40

Thank you very much ,you guys are a great help

2 out of 2 people think this is helpful.
21,395

No harm in running it for awhile- maybe the rings got corroded and will get better- maybe not- amazing that it still runs after 9 years of sitting- you may need more work than that-

40

Ok thanks, I will get it checked out to see what else is wrong

40

Will let you know how it turns out, thanks again

5,055

NO one considers the Thermostat on an air-cooled engine...it is located on the external sheetmetal duct to block the air to necessitate rapid starting...in a COLD environment will notice it malfunctioning...a '74 probably has one but is so corroded air simply does never get to it's job of keeping the cylinders cool, as every air-cooled engine owner knows the number 3 cylinder is the first to go because the OIL COOLER is located above it...folks often MOVE the location so this does not happen~ yes, I would bet the Number 3 is the devil~ ...although as jamnblues has said, make sure the hydraulic valves are adjusted correctly~

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