Any tips on removing intake manifold? - Team Camaro Tech
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post #1 of 23 (permalink) Old Jan 16th, 10, 09:05 PM Thread Starter
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Nev
 
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Any tips on removing intake manifold?

Started to remove the intake manifold today (or tried at least)
I cannot get this manifold to budge (Yes, I have removed all the bolts), so I have walked away for a while before I do something I regret.

At the moment I'm thinking of bolting an engine lift plate to the manifold and gradully lift with the engine hoist.

Anyone got any tips to break a stubborn intake mainifold free?

Rgds,
Nev

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post #2 of 23 (permalink) Old Jan 16th, 10, 09:12 PM
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Jeremiah
 
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Re: Any tips on removing intake manifold?

Drive a putty knife between the intake and head to break the bond.

Its probably a million to one chance but as a precaution I would suggest staying away from the corner tabs of the manifold.

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Last edited by Jeremiah; Jan 16th, 10 at 09:24 PM.
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post #3 of 23 (permalink) Old Jan 17th, 10, 06:13 AM
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Re: Any tips on removing intake manifold?

Stupid question but did you remove the distributor?

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post #4 of 23 (permalink) Old Jan 17th, 10, 07:09 AM
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Re: Any tips on removing intake manifold?

Quote:
Originally Posted by Jeremiah View Post
Drive a putty knife between the intake and head to break the bond.
Go around the intake with a putty knife take your time and it will break loose.

Steve
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post #5 of 23 (permalink) Old Jan 17th, 10, 07:44 AM
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Re: Any tips on removing intake manifold?

I've often driven a screwdriver into the end seal at the front of the block on iron intakes, I'd have to think of someting else for aluminum or plastic.

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post #6 of 23 (permalink) Old Jan 17th, 10, 11:58 AM
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Re: Any tips on removing intake manifold?

Yep, some kind of prying device. Divide and conquer. Start at a corner. Tap the bar into the joint. Do it slowly and pry slowly so as to not score sealing surfaces. With any luck the manifold wasn't installed with super glue.

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post #7 of 23 (permalink) Old Jan 17th, 10, 02:20 PM
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Re: Any tips on removing intake manifold?

A bigger lever.

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post #8 of 23 (permalink) Old Jan 17th, 10, 02:37 PM
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Re: Any tips on removing intake manifold?

Nev,
There is always someplace on the intake that you can get a big screwdriver in an pry a little. It wont take much, once it breaks loose it will come right off. I would definitely not do the engine lift thing, it might work but when it pops loose you will be sorry

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post #9 of 23 (permalink) Old Jan 17th, 10, 03:22 PM
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Re: Any tips on removing intake manifold?

Wood hammer handle in the thermostat housing where the hose connects. Slowly hit the hammer with the palm of your hand in the up position.

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post #10 of 23 (permalink) Old Jan 17th, 10, 08:06 PM
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Re: Any tips on removing intake manifold?

Depends on what it was installed with...I know when I put my manifold on, being uninformed and fearing any kind of leak, I used the brush on permatex gasket stuff--I'm pretty sure it IS super-glue...hopefully I don't have to pull the manifold, EVER!!!

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post #11 of 23 (permalink) Old Jan 17th, 10, 08:19 PM
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Re: Any tips on removing intake manifold?

I just removed mine that I had glued on wih silicone. That baby was stuck. I'd drive a flat screw driverbetween the block and intake and it will come loose. It takes more force than you think. I wouldn't risk the gasket surfaces.
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post #12 of 23 (permalink) Old Jan 18th, 10, 03:55 AM
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Re: Any tips on removing intake manifold?

The screw driver method has worked for me in the past, put it on the end of the block and into the galley. Don't get too rough with it as you may scratch or scar the valley ends.
I like the idea of the mallet on the thermostat housing or tapping around the intake a little near the plenum, shouldn't hurt it.
Don't put the screw driver or whatever you use near the head/intake sealing surfaces.
If you did the engine hoist thing with it in the car, and it's really stuck, it could pop up and dent the hood?

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post #13 of 23 (permalink) Old Jan 18th, 10, 11:36 AM
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Re: Any tips on removing intake manifold?

You seal the ends with silicone anway, if they get boogered up a little it won't hurt. If the intake is glued on tapping the housing and around the base plate won't work. Tried that.
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post #14 of 23 (permalink) Old Jan 18th, 10, 06:25 PM
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Re: Any tips on removing intake manifold?

I shouldnt admit it... but... I once used a hydraulic round hay bail stabber which was attached to my fathers 1 ton pickup and a chain to remove an intake that was particularly stubborn... I thought I was gonna lift the car off of the ground before it let loose!!! Ahhh..... Youth....!!!
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post #15 of 23 (permalink) Old Jan 19th, 10, 05:08 AM
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Re: Any tips on removing intake manifold?

Run a razor blade along the front and rear of the intake to slice throught any sealant in those areas. Then run the razor blade along the sides of the intake to break the seal on the sides.

Find a spot where a flathead screwdriver or putty knife will get under the intake on the sides and pry it up and off.

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