Cylinder leak down test with intake manifold off?

[seanagins]

Is it possible to perform a cylinder leak down test on each cylinder when or if I take the intake manifold off? I am assuming that when I get down to taking the intake manifold off, I will have everything off that will include the valve covers, as well, thus making it easier to determine if I am at TDC for the given cylinder?

 

[franklin2]

Yes you can. You will be putting pressure through the sparkplug holes, with both valves closed in that particular cylinder you can still run the test. If a intake valve is leaking, you will get air coming out of that particular intake port.

 

[seanagins]

Is there a good write up on this forum about performing an intake manifold gasket set job? I am needing to do such.

 

[seanagins]

1997 Ford Ranger 4.0 liter OHV

 

[franklin2]

How To: Replace Valve Cover Gaskets, Fuel Rail Gaskets & Lower Intake Gaskets

www.therangerstation.com