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#1
08-21-2007, 12:39 PM
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m103 engine sounds
a buddy of mine just got a 300SE (m103 3L) and his m103 sounds way more...windy..than my m103 2.6L. now i know theres some difference between the two displacements but I didnt think this is one of them.
Take a Listen and see if this is normal or something is busted. Oh yes smog pump is going to get junked soon: m103 3L  m103 2.6L now I have a different louder exhaust than he does obviously... 
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k 
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#2
08-21-2007, 01:12 PM
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once the sqeeling stopped....it sounded normal to me....
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 91 MBZ 300SE 88 JAG XJS V12 Coupe 76 LANCIA Scorpion
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#3
08-21-2007, 01:50 PM
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maybe your right. my m103 does have a bum fan clutch.
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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#4
08-21-2007, 02:00 PM
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Are there differences in the air cleaner?
It sounds like there is more induction noise on the top video. Are the air cleaner housings and plumbing the same?
Also that was some nasty squealing... loose belt?
__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad 
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#5
08-24-2007, 11:44 PM
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That squeeking sounded very familiar, turns out mine was coming from a dry/worn out bearing on the smog pump pulley (which can be changed). I can't find the info here but do a search. The bearing was ordered from bearings direct, no more squeek
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 1991 300SE (my ride, 279,000 miles, looks almost new 1954 Cadillac (21 yo son's car, he bought when age 15) 1972 SeaBird 19 ft runabout (old but solid, slant six, Volvo sterndrive perfect condition, undergoing complete overhaul and refit) 1998 Toyota Rav4 (my sons daily driver when he is in the Continental US, PROUDLY serving in US Navy)
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#6
08-25-2007, 12:38 AM
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my buddy who has the SE was thinking of just buying the shorter belt and bypassing the pump instead of removing it. he figured that he would need to plug up something on the exhaust manifold or somthing. I dont know. In all the posts i've read about removing the pump i've never heard of anything like that. is there something like that ? is it possible just to bypass the pump like that?
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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