vaccume

[White Out]

My '87 tb has been sitting for about a week. I started it up and the boost gauge was reading 30 in.hg for vaccume. I have never seen it read that much before usually it is between 10 and 20. Does anybody have an idea of what might be going on?

Thanks,
Nick

 

[Roc87]

Wouldn't happen to be a liquid filled gauge, is it? Everytime the car would sit in the sun for a while, there would be vacuum showing before even starting the car.

 

[White Out]

yes, it is a liquid filled Auto Meter gauge.

Nick

 

[mikestertwo]

Definitley a gauge problem.

 

[Roc87]

There is a small screw on the top of the gauge just behind the bezel that you can unscrew to relieve the pressure difference between the inside of the gauge & the out. I tried leaving the screw open a little, but the silicon fluid would spill out in the turns, so I ended up replacing it with a NON liquid filled boost gauge:frown:

 

[White Out]

Great, thanks for the help guys.

Nick