Bypass Hose - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 05-01-2007, 07:39 PM   #1
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Default Bypass Hose

I'm getting ready to replace all the hoses, t-stat and flush the cooling system out. I saw a bypass hose listed on a part site. A quick look under the hood and I don't see one. Does the 95 SE even have one?
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Old 05-01-2007, 08:13 PM   #2
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It should be on the passenger side of the lower intake manifold, traveling down to the water pump. It'* a small hose a bit less than an inch diameter.

Moving to General Chat. Please use this section for mechanical problems.
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Old 05-01-2007, 08:49 PM   #3
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95 SE won't have a bypass hose. You will have a coolant elbow. This is because you have the series II motor. Dorman makes them and they are available in the HELP section at most Autozones. For an odd reason..Advance doesn't carry them.
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Old 05-01-2007, 09:34 PM   #4
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Thanks Bill. My bad, quick look at the car and I thought L27 for some reason.

The coolant elbow is a 90* plastic elbow. You won't miss it.
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