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  1. The red light on the coolant temperature gauge of my car occasionally (but in recent times more frequently) flashes slowly (0.5 Hz). In a post dated 7/30/2018 Loren listed four conditions for the light to come on. The two conditions for which the light flashes slowly (0.5 Hz) are the following: Engine coolant too low Engine compartment temperature too high None of these conditions applies to my car. The light comes on after about 20 minutes of driving and it seems to be triggered (but not always) by running the engine a
  2. When we replaced the coolant in my car in 2013, we used coolant Porsche part number ‘000-043 -301-05-M100’(pre-mixed). The color, based on a little quantity left in one of the 2013 bottles, was red. The coolant in the car seems yellow now. I have just topped off the coolant today, using Porsche coolant part number ‘000-043 -305 15’, red color (I mixed it with water, 50%). Could somebody please confirm that the 2 coolants are compatible? Thanks
  3. I'd appreciate a second set of eyes to verify these part numbers. 2003 C2 6MT Red Arrow: 996-106-233-56 Green Arrow: 996-106-212-61 Yellow Arrow: 996-106-222-67 I'm least sure of the 3rd one but it looks like they simplified it for the Mk2 but didn't bother to update the Illustration because one end of this has 2 connections in the illustration but mine doesn't and the picture on Pelican Parts looks like mine, so I think I'm right. Thanks for the help!
  4. The common coolant pipe issue seems to only affect the V8 Cayenne's. I'm wondering if my coolant leak is a common problem too. I've been losing coolant on my 3.6 V6 Cayenne at a fairly slow rate compared to the other more common issue. I'm having to top it off about once every month or two. Last weekend I was changing the oil and started investigating the leak. It looks to be coming from a black plastic coolant hose fitting on the back of the engine, passenger side. Has anyone seen this problem before? I'm wondering if there is just a bad o-ring behind that fitting or if the whole
  5. Recently I had been noticing issues with my cooling system the coolant temp guage would go past the 0 on 180 and I wouldn’t hear fans or anything. (Already tested fans and resistors and relays). The temperature Will continue to creep up if I sit still, with no signs of fans, AC OFF. I replaced the coolant temp sensor. Problem fixed!! Then same issue again it seems after a week of driving. Now i currently have ordered another temp sensor just Incase I maybe did something to cause the other new one too fail, I’ll be changing it again today. However I was doing the climate control ha
  6. I recently had to replace the water pump on my 2001 Boxster. This all went fine, however, the red light to the right of the temperature gauge is blinking at 1 Hz. I've read this indicates low coolant level. I followed the factory procedure to bleed the system and it is filled to the max, but the light still blinks. Also, the gauge is flatlined to the left. I replaced the temperature sensor near the #4 cylinder head without improvement, and the wires "look" ok. All the fuses are good. Does anyone know the procedure to troubleshoot this wiring? Or the pin and socket numbers for the wirin
  7. Hello All, The car has been awesome 2006 987.1 30k miles. The other day i took it for a drive and stopped after about 150 miles for about 30miins when I came out, all my coolant was on the floor. I refilled the coolant and constantly checked the temperature, initially it edged up to 180F but then settled back down to 175F and stayed that way all the way home. I was driving gently and kept cheeking the coolant level. Since then I found that I needed to open the coolant needle valve and drive around for 3 or 4 days to bleed the cooling system. I'm on day 2 and the coolant level has gone dow
  8. Well I was driving yesterday when the coolant light began to flash, temp hit 200, so I went home and filled the coolant, which was really low. When looking through the fill, there wasn't any coolant all the way down. I put in about 3 quarts [ capacity 2.5 gal.] which was a lot of loss. But There wasn't any leaking. [?] The level stayed steady at the 1/2 min-max mark. Driving today, about 10 miles back and forth, not only did the light come on but the temperature shot up. I pulled into the driveway just as it hit 250. No check engine light, no other diagnostic light, just the
  9. Late 2004 Boxster Base Tiptronic with 45,000 miles I have racked up 15,000 miles over the last 3 years of ownership. The coolant was flushed about a year prior to purchase. I think it's time to flush the coolant. I plan to buy the Airlift tool - it's a time vs cost issue, time wins. I know from searching that JFP has recommended to others to replace the water pump as preventative maintenance on a car this age. Fair enough. Porsche pump, clean the mating surfaces carefully and: 1. Use gasket sealant or no sealant? 2. Should I replace the coolant reservoir even
  10. I have a 2002 Boxster that enjoys dumping the entire contents of the engine coolant on a regular basis. The entire coolant tank seems to be dumped from the emergency overflow whenever this happens. No warning lights appear on the dash either before or after this occurs. The dump happens only when I turn the engine off after driving. After turning the engine off I hear rapid running liquid coming out of the back of the car, and can see the coolant fluid flooding over the pavement. It completely empties the tank and takes about 30 seconds. There does not appear to be a leak in the
  11. Turbo/Turbo S (maybe even GTS) thermostats are not the typical looking reverse poppet design I've come to know an love (hate?) over the years. The "standard" design is pretty obvious - a hole opens up in the middle against the flow of water. On the Turbo/Turbo S it seems to be a balanced sleeve (am I correct?), which allows pressurized coolant to circulate around all of its moving parts. Sounds great, but I don't understand how it restricts the flow. Upon 1st impression it would seem to me coolant can pass right through it unrestricted, regardless of the position of the internals.
  12. Had a puddle when warm, from the drivers side front (coolant leak as discoloured the drive). Common problem so took the wheel off with it facing as far right as possible, then, If I recall, 7 screws to remove the plastic cover of the inner wheel arch (torxs) Bottom of the 2 pipes were the problem on mine The 2 ends of the pipe means you will need a big bucket to catch all the fluid, There will be a something like a 3mm wire cir-clip that retains the hose, one at each end, make sure it is well clear or take it off all together, its easy to get back on. then just pull the hose off and
  13. Hi Guys, I finally narrowed my vacuum leak on my coolant system to heater core pipes. When I isolated heater core pipes near the split hose under rear passenger side, I could see vacuum holds at 25psi. So I am suspecting a hole or a hose leak at the heater core. I know heater core is under the battery, but wondering how to get to the heater core. Bentley manual does not cover this topic. Any help with instructions are appreciated. Enclosing a picture from my car.
  14. Hi there folks, I’m having some random misfires in my ’03 Boxster. I’ve disassembled the intake manifold to get a better understanding of the problem, and as per the picture below, there is clearly something going on with cylinder-1. a week ago, CEL came on for random misfires in cylinder-1 (P0301) Engine runs well, has high millage (320km) and no noticeable degradation in performance Checked the coolant, and was below the minimum mark (which was flushed a couple of months ago) On the exhaust side, there are dripping marks, probably coolant leaking through the exha
  15. Hi all, First of all I apologize if I do anything wrong since I only just created this account in order to ask this community a question. We own a Porsche 996 Targa 2002 and as we all know the 996 is prone to engine problems such as IMS and oil and coolant mixture. Today when I was checking if the engine still had enough oil and coolant and decided they needed a fillup I saw something that I did not really like. I've uploaded two pictures one of how the coolant looks and another picture of where you add the oil. Is the yellowish stuff you see ok
  16. 2001 996 47K miles. The engine temperature or coolant temperature needle has always sat on the 8 (180), once when i did a long 3 hr drive it drifted to then end of the zero, but it was a 3 hr drive on a 90degree day, but no big deal, that was 3 yrs ago. It has always sat on the 8. I noticed recently during city driving in about 15 mins, the needle starts to drift to the end of the the zero, and when its on the highway for a few minutes it would lower back into the beginning of the zero, but never back onto the 8. No leaks under the car, i see no signs of coolant in the engine, no
  17. Yesterday I had my coolant expansion tank replace, after driving it away from the shop the temp light began blinking slowly (which usually indicates low coolant or engine compartment fan faulty) I checked the coolant level and it was fine, today I ran the car and let it sit running for a while and never heard the familiar noise of the engine fan coming on, what could have happend to the car during the installation to have this problem? I would like to have something to say to the mechanic when I bring the car back. Thank you for any insight on this problem. 2002 Boxster S Manual Tranny
  18. My 955 turbo has consumed nearly 10L of coolant in the past 40 days. No apparent exterior leak (haven't opened up engine covers yet). White smoke exhaust upon cool-cold start up, tubes are done. Cooling system seems pressurized when I open reservoir cap. Apart from head gasket potential are there any other possibilities? Through intake somehow? Through turbos? Doesn't overheat. Help please
  19. Hi, I'm new to this website and new to Porsche ownership and was hoping that I could get some help with an issue that's just occurred with the coolant expansion tank of my 04 Cayenne Turbo. I recently purchased this vehicle back in June after selling my range rover. At the time I did quite a bit of research and discovered the issues with the coolant pipes, carden shaft bush, ignition coils etc that were prevalent with the early Cayenne models. After viewing a few vehicles that were less than desirable I eventually found a Cayenne in pristine condition, and more importantly with all the a
  20. Hey all, Looking for some help here. I developed a pretty bad coolant leak about a month ago, i was losing about 1 liter per week. When I got under the car i saw the dripping coming from the tip of the waterpump, and surrounding areas. Since the car had gone about 60k since it was last replaced I bought that and replaced it thinking that would be it. However, after assembling everything back together.... The leak seems to be coming out of whatever is next to it. Attached are a few pictures, any help as to what this is; or how to troubleshoot would be great!
  21. Here is a tip on how to completely flush / refill your cooling system using a simple shop vacuum. To drain your system, first open both large and small tubes underneath the car, next to transmission and then connect a shop vacuum to the tubes to completely empty the system. To flush your system, should you want to do it, connect your shop vacuum to each tube and use your hand to inspect where the suction is. Then pour 1 liter of clean battery water or such from a bottle into a tube where suction exists. Just make sure you do not suck any dirt or your gloves in the system. To refill a comple
  22. Sending a feeler on the auxiliary water pump. This is the pump that is located behind the left (driver's) side inner fender cover. It pumps water for the heater, basically. I've noticed it getting louder and louder so I'm guessing it is going out. I haven't heard or come up with much on a search. There is a TSB to add foam tape to quiet it down and I did a home-grown version to see if that would help but it didn't. But it really didn't make this much noise before. I was curious if anyone had replaced one before so I can guess how much coolant will need to be removed. Once you get to t
  23. I know this is a topic often reviewed here on the forum but I was looking for a little more help prior to just letting my local mechanic ream me for a few thousand dollars. Use the forum often, rarely (if ever) post, but have been far more active on equivalent sites for cars I've owned in past (Audi/BMW/etc)... Have an 04 Cay S, 87k miles, owner for past 16 months, probably drive 1200-1500mi/month. About 2 months ago, in traffic temp gauge went above 220 - i know it is very common for it to fluctuate in that 180-220 range but this was first ever time it went beyond. Was home about 1 mile lat
  24. Uh oh. '99 Boxster with 160K was leaking a bit of coolant for a bit, then after a trip to the grocery store, steam started shooting out from coolant reservoir in trunk, and coolant starting pouring out of underside, by passenger side R wheel. It was like a teapot. . . . . .but that's not tea. I'm going to guess this is not a fix I can do myself. Anybody want to guess what it is, so I can tell the guys at the shop? What should I expect to pay? Shop is 20 mins from here, with significant highway driving. Can I dump distilled H2O to limp my car down there, or do I need a tow
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