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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-19-2004, 06:28 PM   #1
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Default Need Help after upper intake job

I changed the upper intake on my 97 sse. Everything seemed to go alright, it started up and ran fine. Drove about 15 miles to get gas and when I got back it was making a high pitched sound. Can't tell where it is coming from. Checked the oil and it was over filled by maybe a quart and a half. Must not got it all out when I drain it. Also there is a real lot of suction through the oil fill hole(back presser). the high pitch sound stops if you take off the oil fill cap or pull the dip stick up.
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Old 01-19-2004, 09:01 PM   #2
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Did you remember to reinstall the pcv valve AND it'* o-ring in the new manifold?
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Old 01-19-2004, 10:10 PM   #3
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Quote:
Originally Posted by helikon
Did you remember to reinstall the pcv valve AND it'* o-ring in the new manifold?
Good Call!
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Old 01-19-2004, 11:05 PM   #4
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yes I did, does anyone know why I am getting the high suction from the oil inlet and dip stick?
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Old 01-20-2004, 12:15 PM   #5
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Thanks you guys save me a lot of work,was going to take it all a part again, check the little black ring on the pvc and it had broken and came off. Thanks again for your help.
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