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  #1  
Old 01-30-2023, 12:52 PM
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M103 (1986 300E) IAC to intake manifold tube

Hello all.

Is there a clamp on either side of this tube? The EPC seems to to show there is, but my car that looks unmolested in this area has no clamps on either side.

Thank you!

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  #2  
Old 01-30-2023, 01:38 PM
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If it's the tube that is narrow to the intake and it has double 45° bends, my '91 had clamps. The clamps were very difficult to R & R. I don't recall clamps at the two larger diameter IAC hoses

Good luck!!!
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Old 01-30-2023, 01:55 PM
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Trevor Hadlington
 
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Free manual

Check it out in here Model 124 Maintenance Manual Index
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  #4  
Old 01-30-2023, 01:56 PM
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Yep, I'm talking about the IAC tubes. The one below the AFM into the IAC obviously never had clamps, but the tube from IAC to manifold looks like it could have a clamp on the manifold end. The nipple in that location has no barb either like the other locations. That's what made me wonder if maybe somebody had it off at one point and lost it. Thanks!
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Old 01-30-2023, 04:00 PM
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No clamp at the IAC side, at least not with mine, both M103 and M104. It's a tide fit, don't think a clamp is needed.
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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).
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Old 01-30-2023, 06:06 PM
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Thanks!
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1985 190D 5 speed - bone stock, 300k+ miles SOLD
1986 300E factory 5 speed - black on black
1987 300D- ALDA removed, timing advanced a bit, R129 rear springs, cabrio front springs, 17" Metris steelies, 250k miles
1997 Dodge Ram 3500 Cummins
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  #7  
Old 03-09-2023, 12:06 AM
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My '88 IAC lacked hose clamps. As there is no pressure on the IAC I would imagine just the push on friction and a tight location help keep everything together.

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