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Old 07-14-2018, 11:19 AM   #1
rk80
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Default 2001 Saturn SL2 Intake manifold Coolant leak

I have a 2001 SL2 which developed a crack in the heater hose port on the intake manifold. "Plastic Intake Manifold" I've see some options, people cutting that back and chasing the crack, etc... All kind of look like a band aid short of changing the manifold out.

Here is my question, I have Aluminum manifolds, has anyone swapped an aluminum manifold in where a plastic one was. I have all the parts already. Just concerned that the PCM and emissions related readiness monitors will be happy.

Has anyone done this swap???? I'm thinking it would be the best reliable fix if it plays well.

Anyone have an opinion?
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Old 07-14-2018, 12:02 PM   #2
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Default Re: 2001 Saturn SL2 Intake manifold Coolant leak

There is a Dorman part that is a permanent fix. The info is in this thread as well as all of the answers to the rest of the questions. http://www.saturnfans.com/forums/sho...d.php?t=185527
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Old 07-14-2018, 05:07 PM   #3
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Default Re: 2001 Saturn SL2 Intake manifold Coolant leak

Quote:
Originally Posted by OldNuc View Post
There is a Dorman part that is a permanent fix. The info is in this thread as well as all of the answers to the rest of the questions. http://www.saturnfans.com/forums/sho...d.php?t=185527
I saw those, looking at Dorman's recommended install I would take the manifold off either way. That's why I'm thinking about just going aluminum.
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Old 07-14-2018, 05:32 PM   #4
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Default Re: 2001 Saturn SL2 Intake manifold Coolant leak

Old aluminum manifolds are not a direct swap onto a 3rd gen, they do bolt up though. Primary issues are throttle body and fuel rail.
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Old 07-15-2018, 10:08 AM   #5
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Default Re: 2001 Saturn SL2 Intake manifold Coolant leak

The biggest issue as to why aluminum manifolds do not work on 2000-2002 cylinder heads are the design of the intake ports themselves.

When the casting/manifolds were changed, the port design was changed to match the plastic manifold.

Get the Dorman replacement.
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