Replacing a Coolant Expansion Tank: 1999 - 2005 Porsche 996 Carrera Coupe
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- Опубліковано 12 вер 2024
- The coolant expansion tanks on Porsche 996 cars are well known to crack over a short period of time. Neglecting to replace them as a preventive step could lead to a ruptured tank potentially causing your Porsche to overheat and become stranded on the side of the road. Jake Raby demonstrates the process of replacing the coolant expansion tank.
*Notice - This video is applicable to 1999-2004 Porsche Carrera Coupes. The Porsche 996 Cabriolet requires extra steps and are not included in this video.
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Could you please provide more information about removing the fuel lines? Are they the hard rubber hose that attach to metal pipes? And at which end do you remove them? And what happens when you remove them? Does fuel flow out everywhere? How do you prevent this? Your assistance would be appreciated.
I used an OEM (made in Germany) replacement tank for my MY2000 Cab. The Porsche tank for MK-I cars is over $600, while the Porsche tank for MK-II cars is under $200. I can't imagine why the big difference, but I wasn't going to pay $600 for a piece of plastic. I was told that the OEM tank I bought had the Porsche name sanded off. I don't know if that is true. I paid about $180 for it. The job was a PITA! I broke the level sensor during the process. I recommend having a new sensor on hand just in case, as they're only around $30.
Many of the similar genuine Porsche parts for the mk1 are more expensive than the mk2 unfortunately. Because the expansion tanks are very hard to remove with the engine in the car, don't go the aftermarket route on this part and have to repeat the process in a couple of months or even sooner because of a defective tank. Instead, purchase the genuine article from Porsche. Always remove the coolant level sensor when removing or installing the expansion tank. Thank you for watching!
@@RennvisionbyTheKnowledgeGruppe I wonder if there's a way to make an MK-II tank fit an MK-I car?
Thank you, was your car a coupe, or a cabriolet? The difference between the two is extreme when it comes to removing and replacing the tank.
Another question. For a C4S, does lowering the engine from the back as described in this video put strain on the driveshaft at the front of the transmission? I am just thinking if I also need to loosen the transmission mount upfront a bit or if there is enough flexibility in the driveshaft/flexdisc that this is not necessary. Thanks.
When replacing the coolant expansion tank, you have two options - either lower the engine slightly while supported from below as shown OR remove the engine out of the car entirely. If you're concerned about any stress on the transmission mount, then you should contract with a trained professional to safely remove the engine from the car. Good luck, Boris! Thanks for watching!
Hey I recognize that shop and that guy! Nice video Jake. Thanks for sharing. This is on my short list to address on my red C4S.
Erik Rolfs Nice hearing from you. Replace that tank!
If you have a C4, this video is inaccurate. The fuel filter is mounted to the tank and must be removed. In fact you will be best served to remove all the fuel lines on that side.
@danielkuchenberg7046 the c4 and C4S have a fuel filter in a different place ? Its connected to the expansion tank ?
Great quality video, very helpful. Thanks.
There is a black bracket that attaches the the tank and supports the fuel line. Mine is missing that bracket and I can't seem to find it in the Porche catalog. Can you tell me the part number for that bracket? Thanks.
Hi Boris, you need to contact your local Porsche parts department or contact Pelican Parts. We don't get involved with part advisement. Sorry.
is there a manufactures date of build on these things?
One tip that I have is when removing the secondary air pump, don't remove the screw near the fender. Just loosen it a few turns. That part of the bracket is slotted and will just slide out once the other screws are removed. The screw by the fender is difficult to put back in if you remove it because you're working blind and there's not a lot of room.
thanks
I've heard the engine lowering is not necessary for the coupe model. Is it right?
As shown in the video, regardless if you have a coupe or cabriolet, you'll need to lower the engine to remove the expansion tank.
Can I get information for a 2001 C4 Cabriolet reservoir tank replacement, I have it half way out and its stuck?
Michael Koelblin the cabriolet is tough.. the engine needs to be lowered further, and you’ll have to fight with it!
lowering the engine is it as simple as your video ?Can you give me a little more detail , do I bottom out the adjusting screw? Can I easily identify the adjusting screw . The Bentley Porsche book sucks, no c4 information at all.@@RennvisionbyTheKnowledgeGruppe
@@michaelkoelblin6601 I hope you are not still fighting with it, but if you are, reply to this post I just finished a an 02 c4 cabriolet
Green coolant 🙈
Yep, don't get us started.
I call BS on this video. I sit here after 5 hours of fighting to get my same situation as your example. 1999 911 CARRERA. The tank doesn't go back in as you show.
David, where did we say this is a Mrk1 1999 Carrera? The car in the video is a 2002 Mrk2 996. Totally two different coolant expansion tanks.
@@RennvisionbyTheKnowledgeGruppe I expected m9re and Ii apologize. I am cstill stuck on my 199 911 CARRERA. This white plastic bottle will not go in
I have lowered the engine as far as possible and yet to no avail. So frustrating.