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  #1  
Old 09-19-2024, 04:12 AM
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Shop Replaced Cigar Hose with Regular Hose

The shop finally got done attempting to fix the transmission they put in my 300D, which is a whole other story. While they had it, they noticed the cigar hose weeping and they replaced it, but they used regular hose. Now I notice my idle is "knockier" than it was, more like before I replaced my injectors. Is this just a coincidence, or does the cigar hose have some effect on idle quality? I searched but I didn't find much.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.
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  #2  
Old 09-19-2024, 07:31 AM
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Yes it is probably from using regular hose. I was told, not learned from personal experience that the cigar hose softened a pulsing noise.
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  #3  
Old 09-19-2024, 09:43 AM
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I saved a few of those hoses if you need one.
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  #4  
Old 09-19-2024, 09:54 AM
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$15 for genuine mercedes from here at Pelican parts


0089976482
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1984 300SD 300,000 miles--two tank WVO setup
2.88 diff & 500SEL anti-squat rear end
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  #5  
Old 09-22-2024, 10:19 PM
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Never mind. The engine blew yesterday. I'm done. See Craigslist or Facerbook marketplace if you want the car.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.
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  #6  
Old 09-23-2024, 03:34 AM
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May this post serve as a warning about the importance of the cigar hose.
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  #7  
Old 09-23-2024, 08:27 AM
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The w124 and newer don't have a cigar hose, correct?
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  #8  
Old 09-23-2024, 11:48 AM
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Skippy, So sorry to hear about your car. Any idea what happened?
Of course, we know it wasn't the hose.
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1984 300SD 300,000 miles--two tank WVO setup
2.88 diff & 500SEL anti-squat rear end
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  #9  
Old 09-23-2024, 10:44 PM
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What is blown on the engine?
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
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  #10  
Old 09-24-2024, 07:34 PM
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It looks like it jumped timing. There was a thud and it quit running. It put a crack in the cam cover where the cam gear is. However, when attempting to start, the camshaft still turns.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.
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  #11  
Old 09-25-2024, 09:12 PM
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If it jumped timing its not a cigar hose issue.
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  #12  
Old 09-26-2024, 10:39 AM
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Quote:
Originally Posted by jdulle View Post
The w124 and newer don't have a cigar hose, correct?
There is a longer, skinnier cigar hose at least for the 603/126 cars.

My w124 doesn’t have one but that doesn’t mean much.
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Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (116k)
1991 350SD (206k)
1991 300D (228k)
2008 ML320 CDI (199k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (267k)

Past Diesels:
1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k)
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  #13  
Old 09-26-2024, 08:21 PM
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Quote:
Originally Posted by Skippy View Post
It looks like it jumped timing. There was a thud and it quit running. It put a crack in the cam cover where the cam gear is. However, when attempting to start, the camshaft still turns.
Oof...

Yeah, classic vacuum pump device failure...
Often repairable, but time consuming.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!

1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #14  
Old 09-27-2024, 11:56 AM
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Cigar hose? Where does this run from/to? Is this an automatic transmission thing?
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  #15  
Old 09-27-2024, 12:19 PM
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Quote:
Originally Posted by vstech View Post
Oof...

Yeah, classic vacuum pump device failure...
Interested in hearing more about this.
What occurs and how might it be prevented?

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