Noticed a small exhaust leak sound today and I narrowed the sound down to a rusted connections between the Cat and the pipes leading to the middle muffler. Based on these photos, can I have the connection replaced or am I looking at a new CC?

I was going to bring it in to a muffler shop tomorrow and I wanted a little heads up on this issue.

Thank you.

George

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it looks like it has an O2 sensor it might need a new one, but then again it would be helpful if you told us what year and model is your car...

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Current Garage
2008 Mercedes GL320 CDI 188k mi Repair/Work in progress
1994 S350 160k mi Garage Queen & prepping for repairs
2005 E320 CDI 203k mi Healthy & Daily Driver
1994 S350 357k mi Retried as parts car
1984 300TD 214k mi Blown OM617 Poss OM603 Swap??

Sold
1987 300SDL 200K+
1994 S320 181K mi
2008 E320 Bluetec 127k mi
1999 S420 130K mi
1980 240D 360k mi
15+ Others that has come, stay and gone

GONE, BUT NOT FORGOTTEN
1995 E320 SE 220k mi
1984 300SD 350k mi

SORRY!!

1995 E300 Diesel

NVM you have a diesel which dont have cats or O2 sensors

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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)

Thought this model had a CC made with ceramic inside?

I think that a 1995 E300D might have a O2 hooked on that cat but then again let me research...

__________________
Current Garage
2008 Mercedes GL320 CDI 188k mi Repair/Work in progress
1994 S350 160k mi Garage Queen & prepping for repairs
2005 E320 CDI 203k mi Healthy & Daily Driver
1994 S350 357k mi Retried as parts car
1984 300TD 214k mi Blown OM617 Poss OM603 Swap??

Sold
1987 300SDL 200K+
1994 S320 181K mi
2008 E320 Bluetec 127k mi
1999 S420 130K mi
1980 240D 360k mi
15+ Others that has come, stay and gone

GONE, BUT NOT FORGOTTEN
1995 E320 SE 220k mi
1984 300SD 350k mi

Time to make a straight pipe and enjoy better fuel economy and power.

The Gentleman above me in post # 7 has entered the Winning Answer!

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'84 300SD sold
124.128

As intriguing as that sounds, I don't want to veer from the regular set up of the vehicle and have resale issues later. Out of curiosity, does the straight pipe replace the entire exhaust system or just the CC and/or middle muffler?

No issues, if You'll ever place Your car for sale here, I am sure most members of this forum would appreciate straight pipe. So as long as Your car is well kept and worth the asking price, this should be no problem

I prefer the muffling effect of the cat. OE is fine if it's in good condition.

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Gone to the dark side

- Jeff

My indy welded it for $70.

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thats your resonator that needs some work

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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)

Doesn`t look like you have much to weld to. can`t weld rust.

I agree with the straight pipe, and enjoy the benifits of a better running engine. then down the road if you decide to sell it, replace the CC then.

Might find a good used one off a wreck. I know here in Kali land, can`t buy a CC out of the JY, even it it was just replaced by the PO.

Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

I second that! My car has been awesome since I went to a straight pipe! I've had it on for over 1.5 years now....they're also super easy to protect from rust. I coated my whole pipe with about 2 cans/4 coats worth of high temp grill paint, and it has no rust at all.

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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
'01 SL500 - 103k(km) - dad's (OC-110,000km)
'16 E400 4matic Sedan - 148k - Brothers (OC-155k)