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Recommended Posts

Posted

Hi there,

I have a squashed line underneath my 99' 996 C4 . . . Just can't for the life of me figure out what this line is for . . . One guy told me Fuel, the next told me power steering pressure line Part#99634745132 . . . I'm enclosing a picture for you pro's to see . . . FYI - It's located on the DRIVERS side, close to the outer edge of the car next to what I believe are 2 A/C lines . . .

Any help would be super.

Thanks

G

post-21850-1208876035_thumb.jpg

Posted

I'm pretty sure that's an air-conditioning line. Others have reported that the system still works well with a significantly squashed line. Just make sure there isn't a leak.

Posted

Under the drivers side or passenger side?

Passenger side has Water lines

Drivers side has AC lines and P/S lines and i think Fuel lines since its a C4 and a C2 would have fuel lines in the driveshaft tunnel.

Turn the car on and turn the AC on... If the line gets slightly cool its fuel line, if it gets really cold its AC, if no temp change or it gets warm its P/S

Posted

CJ,

Yes, it's on the driver side close to the edge of the car, correct, the first two thin lines are A/C lines, then there are three more larger ones, the middle being squashed in my case. I turned on the A/C, and felt the pipe, it didn't turn cold . . . It didn't get warm either really . . . So do you think it's the Power steering pressure line? We need some extra opinions on this perhaps . . Where's Loren when you need him . . .

Thanks fellas.

G

Under the drivers side or passenger side?

Passenger side has Water lines

Drivers side has AC lines and P/S lines and i think Fuel lines since its a C4 and a C2 would have fuel lines in the driveshaft tunnel.

Turn the car on and turn the AC on... If the line gets slightly cool its fuel line, if it gets really cold its AC, if no temp change or it gets warm its P/S

  • Admin
Posted

On 996 Carrera's...

A/C runs down the right side (passenger side on LHD).

Brake lines run down the left side. As does the clutch line.

Fuel and engine cooling run down the center tunnel.

Posted

The bottom black line in your picture is the vacuum line from the motor to the brake booster. The other two black lines above it are the PS pressure and return lines.

The brake lines are there as well but they are the smaller diameter lines, at the bottom of the picture that are not painted black.

Todd

Posted

Nice one fellas,

Correct! I found out that the hose in question is the P/S return line, and though it's somewhat squashed, if there's NO leak or crack, it should be fine . . . Hard to beleive, but that's what a local Porsche dealership advised . . . What do you think? What are the possible problems I might encounter? Am I looking for trouble not replacing this line?

Thanks INDEED for all the help!

G

The bottom black line in your picture is the vacuum line from the motor to the brake booster. The other two black lines above it are the PS pressure and return lines.

The brake lines are there as well but they are the smaller diameter lines, at the bottom of the picture that are not painted black.

Todd

Posted

Do you think I can cut the pipe and replace the cruched area with another pipe? Rather than buy the whole return line so to speak? What type of piping should I use, metal or fuel line type?

Thanks

Gareth

On 996 Carrera's...

A/C runs down the right side (passenger side on LHD).

Brake lines run down the left side. As does the clutch line.

Fuel and engine cooling run down the center tunnel.

  • Moderators
Posted

It is recommended to replace the complete return line, a smaller diameter of the return line results in to big pressure and is not well for the pump and all the seals in the system.

Posted

Thanks indeed fellas,

I'll take your valid advice.

Thanks to all for their input.

Gareth

Just replace the line, list is like $96, so from Sunset it would be between $50-75.

Todd

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