Sooty Tailpipe

[Ronnie]

My 2005 997C2S (manual,coupe, RHD England) has sooty left hand side tailpipes.

I noticed other people have reported similar problems at other forums (rennteam, rennlist, etc).

Has anyone else had these problems?

My car is currently with my Porsche dealer for tests, but I would appreciate any comments, advise or experiences on this matter.

People report of high engine oil usage, something my car suffers from, and engine oil in certain exhaust ports.

Left Side

Right Side

Thanks in advance.

[WARDHOG]

My 2005 997C2S (manual,coupe, RHD England) has sooty left hand side tailpipes.

I noticed other people have reported similar problems at other forums (rennteam, rennlist, etc).

Has anyone else had these problems?

My car is currently with my Porsche dealer for tests, but I would appreciate any comments, advise or experiences on this matter.

People report of high engine oil usage, something my car suffers from, and engine oil in certain exhaust ports.

Left Side

Right Side

Thanks in advance.

Uhmmm, that's an exhaust pipe.

It gets sooty no matter what car it is. Your ok and enjoy your ride

[Ronnie]

Uhmmm, that's an exhaust pipe.

It gets sooty no matter what car it is. Your ok and enjoy your ride

Thanks for the input, unfortunately not helpful. Maybe I didn't explain my initial post. My concern is not about having soot, it's the fact that one side has so much more than the other side.

Had a phone call from another chap on rennlist with the same problem as mine. He is needing a new engine and is having it replaced this week.

Any others needing new engines or having similar problems? Comments are most appreciated.

[Tool Pants]

I'm a Boxstir guy so I pay just a little attention.

5 months a go I saw a 997 S engine being replaced. The mechanic said it had broken piston rings. I think he said it was just one cylinder.

I guess if just one bank is burning oil then you are going to have more soot in the tail pipe for that bank.

[PAULSPEED]

Hi,

This small picture shows my pipes after one time trial.

Paul LarsonPIPES.bmp

[jean]

My tailpipes are not overly dirty, but I have been using

1/2 Qt . oil ~ every 1000 miles ( 997 S ) since new .

I now have ~ 7500 mi. on the car and it has been pretty constant.

According to service dept. that's normal .

Is it ? anything to be concerned about ?

Edited October 9, 2006 by Jean

[PAULSPEED]

My tailpipes are not overly dirty, but I have been using

1/2 Qt . oil ~ every 1000 miles ( 997 S ) since new .

I now have ~ 7500 mi. on the car and it has been pretty constant.

According to service dept. that's normal .

Is it ? anything to be concerned about ?

Hi,

That is normal. Just do not over fill it.

Paul

[jean]

Thanks Paul, put's my mind at ease.

It is still quite a bit of oil burning though.

My MB has about 50 k miles on it now and has never needed a drop

so far.

I had an air cooled Porsche a few years ago which used quite a bit, but I thought that the new water cooled engines would be a lot tighter .

[PAULSPEED]

Hi Jean,

Remeber that there are three oil pumps pushing oil all over

the place. You can drive this car without warming it up.

The car and motor are made to be pushed. At the

last time trial, I was running at 7 miles per gallon. The

car ran wonderful. Enjoy driving your car.

Paul Larson

[White987S]

Hi Jean,

Remeber that there are three oil pumps pushing oil all over

the place. You can drive this car without warming it up.

The car and motor are made to be pushed. At the

last time trial, I was running at 7 miles per gallon. The

car ran wonderful. Enjoy driving your car.

Paul Larson

I would not recommend that anyone really "pushes" the car until fully warmed, as stated by Mr. Larson. I am not saying that you have to sit and idle, in fact, this is not advisable, but keep the RPM's below 4,000 until the temp gage is at normal op. temp and the gear box has loosened up, during very cold conditions (like winter driving).

[Ronnie]

I would not recommend that anyone really "pushes" the car until fully warmed, as stated by Mr. Larson. I am not saying that you have to sit and idle, in fact, this is not advisable, but keep the RPM's below 4,000 until the temp gage is at normal op. temp and the gear box has loosened up, during very cold conditions (like winter driving).

I would echo these comments. 'Pushing' the car engine when cold is definitely a bad thing to do.

I understand that using more than 1.5l of engine oil 600 miles = replacement engine required.

Some people report very little oil usuage, others higher.

Jean, from what I've seen, your half a quart (half of 946.35ml) every 1000 miles is not something to have to be worried about.

That said, your service department would have given you the same response if you were using that much oil every 3000 miles.

[dstrimbu]

I would not recommend that anyone really "pushes" the car until fully warmed, as stated by Mr. Larson. I am not saying that you have to sit and idle, in fact, this is not advisable, but keep the RPM's below 4,000 until the temp gage is at normal op. temp and the gear box has loosened up, during very cold conditions (like winter driving).

I would echo these comments. 'Pushing' the car engine when cold is definitely a bad thing to do.

I understand that using more than 1.5l of engine oil 600 miles = replacement engine required.

Some people report very little oil usuage, others higher.

Jean, from what I've seen, your half a quart (half of 946.35ml) every 1000 miles is not something to have to be worried about.

That said, your service department would have given you the same response if you were using that much oil every 3000 miles.

Pushing the 997 motor when oil temps are under 200 degrees F is a recipe for failure.

Doesn't matter how much oil is moving in the system - what matters is the temperature differential between the major engine components.

Start up, drive off. Keep it under 4200-4500 RPM until the oil temp is 200 degrees F. Then rev the Hell out of it. <g>

Just MHO,

-don

[snarf]

My C2S used 200ml of oil during first 1600 miles. This equates to 8000 miles/litre and I'm hoping that once the engine has settled in it will improve on this. I try to avoid short journeys and always follow the start-up and drive steady until warm advice.

Edited October 13, 2006 by snarf

[pjslowik]

My 2005 997C2S (manual,coupe, RHD England) has sooty left hand side tailpipes.

Pull a couple (or three) plugs and see if it is cylinder specific.

I think you'll find that's unburned fuel and not oil.

[Edgy01]

I have been using 1 quart every 1000 miles since it had 4 miles on the clock. Now at 14,000. I get a little soot on my pipes but nothing that bad. I have read elsewhere that it could be a separator.

Dan

[Gundo]

I've got 3,800 miles on my 2006 C2S Cab, and so far, I've put in 4 quarts of Mobil 1. Yes, I do drive hard, but only recently, as I was obeying the break-in procedures.

At this rate, I'll never need to change the oil...

Seriously though, with that much soot on your tailpipe, I would imagine you've got quite a bit of build-up on your lower bumper valence as well.

Burning as much oil as I have been, I'm having the techs look my car over real good next month.

[Nick_USA]

I've got 3,800 miles on my 2006 C2S Cab, and so far, I've put in 4 quarts of Mobil 1. Yes, I do drive hard, but only recently, as I was obeying the break-in procedures.

At this rate, I'll never need to change the oil...

Seriously though, with that much soot on your tailpipe, I would imagine you've got quite a bit of build-up on your lower bumper valence as well.

Burning as much oil as I have been, I'm having the techs look my car over real good next month.

4 quarts in 3800 miles that seems a little high even for a new car. Maybe the 997 is more thirsty than the 986 perhaps.

(Anyhow roll on October and my orange car!! :D )

Edited July 16, 2007 by Nick_USA

[frafoss]

Try Autosol. Your pipes will look as new.