How to check/measure vacuum
#1
How to check/measure vacuum
As part of the trouble shooting (reduced power), I am sure checking the vacuum (potential leak?) is one of the first things.
I have a handheld pump/gauge unit (Autozone).
Can someone instruct me where to hook it up?
I have read somewhere that I should expect 18 or so inHG?
Thanks.
I have a handheld pump/gauge unit (Autozone).
Can someone instruct me where to hook it up?
I have read somewhere that I should expect 18 or so inHG?
Thanks.
#2
Make a T connector like this guy here, pict. 14
http://www.ray-cuthbert.com/audi/how...oam/2009_10_19
and attach it to the intake manifold blue hose (ref. this link) on the front of the engine block (like in pic. 6). Connect your vacuum gauge to the T and start the engine. Let it run for 5-10 min, it slowly build vacuum and mine is at about -18" when hot.
http://www.ray-cuthbert.com/audi/how...oam/2009_10_19
and attach it to the intake manifold blue hose (ref. this link) on the front of the engine block (like in pic. 6). Connect your vacuum gauge to the T and start the engine. Let it run for 5-10 min, it slowly build vacuum and mine is at about -18" when hot.
#5
Can I splice a pressure gauge temporarily in (for example with a T) somewhere convenient in the engine bay?
#9
Vaccuum
Make a T connector like this guy here, pict. 14
http://www.ray-cuthbert.com/audi/how...oam/2009_10_19
and attach it to the intake manifold blue hose (ref. this link) on the front of the engine block (like in pic. 6). Connect your vacuum gauge to the T and start the engine. Let it run for 5-10 min, it slowly build vacuum and mine is at about -18" when hot.
http://www.ray-cuthbert.com/audi/how...oam/2009_10_19
and attach it to the intake manifold blue hose (ref. this link) on the front of the engine block (like in pic. 6). Connect your vacuum gauge to the T and start the engine. Let it run for 5-10 min, it slowly build vacuum and mine is at about -18" when hot.