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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2010 Posts: 24 New Guy | | New Guy Joined: Apr 2010 Posts: 24 | My 52 3100 1/2 ton has a later 235 pressure oiler (with oil filter yipee!)
anyhoo when bought, the oil gaugue was not connected. I bought a tee and lumbed it into the fitting which goes to the bottom of the filter housing, however the gauge doesnt move.
I tested the gauge on an airline (turned down to 15PSI) and it showed 15 psi so I know it works.
can anyone offer any help or suggestion on how to get it working? thanks
Neil | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | The line for the gauge should be plumbed to the same fitting at the rear of the block that the filter is fed from.
Bill Burmeister
| | | | | Joined: Apr 2010 Posts: 24 New Guy | | New Guy Joined: Apr 2010 Posts: 24 | I did wonder, this is a larger hose, so I guess I need to tee into that hose then. Thanks for the info Longbox | | | | | Joined: Feb 2004 Posts: 29,875 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,875 | The bottom of the filter housing is the return line to the oil pan, so there would be little, if any pressure on that one. Tee into the line that goes to the side of the filter housing, either at the block, or at the filter- - - -same pressure both places!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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