Do gaskets and seals leak when a car sits in the garage not driven?

[The motor guy]

Like let's say a c5 corvette thats 23 years old and only 23,000 miles on it. Its safe to say it sat in the garage most of its life id say

 

[Vercingetorix]

If it’s British or Italian most assuredly.

 

[JMJNet]

yes

 

[zfasts03]

Yes, my 03 Z06 is leaking some, (engine and transmission) seems to slow when driven more, as I guess the seals swell some with use.

Not bad enough to fix, but a little annoying.

 

[blufeb95]

If it’s British or Italian most assuredly.

If it's not leaking it's not really a Jaguar now is it.

 

[eljefino]

Seals more than gaskets. You gotta keep them moist from rubbing fluid on them. If you don't they get dry and "tear" on a molecular level when you start rotating your shaft again.

Gaskets get pretty far gone and still work, a 23 year old Vette would need them regardless or not if it was operated regularly. I do plenty of valve cover gaskets on 15 year old beater cars and to a rule the old ones chip off like they're made of plastic.

 

[Hirev]

Don't really know for sure but I can tell you my 2007 Corvette 24K just started weeping a little the last few years. I change the oil once a year. Just went from Mobil syn to valvoline synthetic high mileage to see what it does.

 

[2strokeNorthstar]

Yes, definitely. I had a 65 VW that I amazingly had not leaking oil. I quit driving it often and leaks started showing up after a number of years

 

[Lawnman23]

If it's not leaking it's not really a Jaguar now is it.

“If it leaks oil, it has oil” as the window stickers say.