No, you do not have to. You just have to be careful not to swim into them.
Remove hose and attach a vacuum gauge
Turn off the pump first. Then remove the hose and vacuum head.
If your EGR valve is vacuum operated, simply remove the vacuum hose from the valve.
Remove the distributor cap. Remove the hose to the vacuum advance. Remove the two screws holding the vacuum advance on. Install in reverse order.
The best way to repair a vacuum hose on your Chevrolet is to replace the vacuum hose. The vacuum hose is held in place with a retaining clamp on each end of the hose.
Jack up and support the rear of the car to minimize fluid loss. Remove vacuum hose from modulator. Remove bolt and retaining clip from under modulator. Remove modulator by pulling straight out. Install new modulator with new o-ring, replace clip and bolt and vacuum hose.
clean it out with a pool vacuum. it is about 20$ at the dollar store. You might want to buy a disposable paper filter and hose or a reusable sand filter and hose.
clean it out with a pool vacuum. it is about 20$ at the dollar store. You might want to buy a disposable paper filter and hose or a reusable sand filter and hose.
There is no transmission vacuum hose. That is a vent hose.
Remove the vacuum hose from the sensor. Pull the sensor out of the air cleaner housing. Insert the new sensor into the air cleaner housing and attach the vacuum hose.
Remove the vacuum hose from modulator use small screw driver (pocket screwdriver) when hose is off you will see slots in the end where vacuum hose connects screw in or out then reattach hose and test drive may take couple of adjustments to get where you want.
You look up the size of the hose from the instructors manual that came with the vacuum you purchased. Then you look for stores near you which have the hose your vacuum needs and then you buy the vacuum hose.