similar to xf falcon
Try autozone.com
hook a vacuum gauge up to any of the rubber hoses that are coming out of the intake manifold, such as the brake booster....
The vacuum diagram is on a sticker located on the hood underside or on the front radiator support cover
You can find a Vacuum hoses diagram for gm diesel 6.5 at any department stor. They can be found at Sears or auto motor store. They are also available on Ebay for a bid.
That vacuum line connects to a nipple on the #3 carburetor just under the #3 intake. The other end connects to the vacuum advance mounted on the pulse generator at the rear of the engine. It should be routed under not over the fuel lines as they connect to the fuel pump.
Only if your brake booster has a vacuum leak, or the hoses going to it.
Several possibilities...the most likely would be vacuum leak. Check for loose or split vacuum hoses and intake manifold gaskets.
No accessories are needed for vacuum cleaners, they are just accessories. But, if one wanted to make a vacuum cleaner more modern or easy to use the could buy: hoses,motor silencers, air filters and other things.
Loosen the clamps and carefully twist the hose where it connects to the heater core. If you are wanting to bypass the heater core, just run one of the hoses between the two places on the motor where they connect or put a short piece of pipe between the two hoses.
most vacuum leaks are in hoses that are disconnected or have holes in them you can also take a bottle of water and spray it along the side of the intake and base of the carborater if the motor bogs or you here it suck the water in you have found you leak but it can be a leak under the intake and that is a bigger problem to find buy a can of starting fluid and spray it near the gasket and vacuum hoses and if the engine increases its rpm that is where the leak is
To connect mechanical load to a motor, you couple it to the shaft of the motor.
If the windshield wipers are not working in a 1998 Ford F150, the cause could be a blown fuse. There could also be a problem with the vacuum hoses connected to the wiper motor or the wiper motor itself.