When I rebuilt my DISA I used a hit that dismisses the pin. It uses a long screw that goes through the flap valve and pokes in from the other side permanently eliminating the risk.


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I jsut tried getting the debris out with tweezers. And it only seems to get this fluff/dirt stuff. And in normal light, it doesnt look like the photo. Maybe the flash has made it look like metal. I'm 80% certain that photo is actually just of dirt.


I don't follow- how could an inspection camera fit inside the valve?

If I take out the plugs- will I get a view inside the valve and be able to definitively see if the PIN is there?

I did the same. The new valve is also made of aluminum. Should last forever.

If you pull the plugs you will be able to see if the pin is inside a cylinder. You won't be able to see the valves through the plug hole.

Through plug hole you will see the top of the piston and if the pin is in there should be obvious. If the dirt is just fluff vacuum is off


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If the Vacuum is off- what should I do to fix?

Also, I want to put my intake back on.

Is there anything I should check BEFORE I PUT MY INTAKE back on?

I think that was a typo. I think he meant to say vacuum it off... not vacuum is off.

Definitely clean those valve seat areas and then check the compression chambers through the plug holes to see if there is debris in there. You can rotate the engine by hand to move the pistons up and down so you can get a better look at the top of them.

You can also hand crank the engine to get the valves to open and close on the head so you can check functionality and to help facilitate cleaning those areas before you put the intake manifold back on.

I have been advised that before- but however I don't have the fan remove tool (would take weeks to arrive at my location too)...

I can't find a video tutorial either.

Can you tell me where to find instructions on how to do this?

I don't believe you need to remove the fan. Just get a 22mm (I think, someone correct me if I'm wrong on the size) socket on the crank bolt and turn clockwise. With the plugs removed it will be easy. With them in it will be harder but still easily doable.

Stupid easy to remove the fan. The wrench size is 1 1/4 sae should work out to 32mm. Get the wrench into the fan nut and arrange so it is pointing straight up. Then take a BFH and give a quick smack toward the left side of the car. The radiator hose is in the perfect place to catch the wrench. Has never taken me more than 2 whacks to loosen. I guarantee its easier than the official tool.

The official tool is nothing more than a steel bar with two holes that line up with nuts on the fan clutch (with a bite missing so it fits around the clutch body) easy to fabricate. I was going to make my own until I found a YouTube video showing the method I use.

It wouldn't hurt to have a string attached to the wrench in case it came off but there is so little room I'm not sure it's even possible. Obviously the wrench had to be long enough to clear the intake scoop.

First time I removed the fan was to change the thermostat. I've had it off about 3-4 times. It's easy enough to remove I take it off for some elbow room most recently when I DIY refurbished my alternator ($20 kit vs $325 replacement: replaced the slip rings and brushes).

The trickiest part is bringing the shroud up at the same time and finding any mystery clips holding it on.



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