How To Remove Valve Springs Without Tool

Changing Valve Seals and Springs in the motor

A detailed look at performing a valve stem job with and without an air compressor

Contributed By: enginebasics.com

How many times have we found nosotros have a small valve stem leak only to cringe at the thought that nosotros at present have to take the head all the way off the motor? Well there is a meliorate way and that is what this article is most.

Pressurizing the Cylinder

The easiest way to change that leaky valve stem seal, or to change the springs and retainers on your fix-upward without removing the head is to pressurize the cylinder. Offset y'all will need to go an attachment for your compressed air that can exist threaded into the spark plug bung. You tin can purchase them from most major suppliers like Jegs or Summit. As well my local carquest had them. Besides if you accept a compression cheque guage, most of the guages tin have the hose removed from the guage and a compressed air fitting can be fitted on and wala, you got it. Here is a dandy instance:

One time you accept that fix-up you should then:

ane. Remove the valve cover

2. Find the particular cylinder your going to work on

iii. Set that cylinder at TDC so you have the smallest volume to proceed pressurized

4. Insert your adapter and set your line pressure at around 20-40 psi.

Call back to not go crazy and endeavor to pressurize the cylinder with 120 psi just because your compressor can do it. While I know that the cylinder experiences pressure way higher, at that place is just no point. Now you are all set up and you lot can alter those leaky valve stem seals in a matter of a couple of hours instead of a days project.

For those that don't own an air compressor

Another play tricks that works merely likewise, only requires more finesse and time is to use a rope. Yeah you heard me correctly, I said a rope. You want to utilise the soft wax covered ropes ofttimes used for rock climbing. Then do the following:

1. Locate the cylinder you lot plan to piece of work on

2. Lower the cylinder half way down

3. Feed the rope down into the spark plug pigsty while giving it a trivial turning motion with your hand. The thought is to go the rope to coil like a serpent and fill the cylinder area.

iv. Start to bring the cylinder upwardly until you lot feel the rope compress against the roof of the combustion bedchamber.

5. Have a friend hold or wedge something to hold the creepo while you compress out the valves. With the nice, soft rope yous can compress the valves and remove the valve spring clips out of the retainer without doing damage.

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Source: http://www.enginebasics.com/Advanced%20Engine%20Tuning/Changing%20Valve%20Seals%20In%20Motor.html

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