Patrick

Why is a red or yellow belt an "upgrade"?

A friend of mine wanted to add seat heating to his 1998 Lexus LS400 to save his marriage. His previous LS had heating but he traded up....

I purchased at least three heated cushion sets off of Ebay before coming to the conclusion that the heating elements could not be removed from the cushions without damaging them. So I purchased add-in heating elements off of Ebay, installed them in the existing cushions, and saved his marriage.

For the 996, I do agree the lowers cannot likely be removed without damaging them. The uppers, however, can.

I did this. my post on rennlist. The pictures are gone, I can send them to you if you like.

This information is based on my '01, I did this in late '02/early '03. Some things may have changed.

The pictures are gone, if you are interested, I can hook you up. The basic gist of it is:

If you want to use the stock controllers, you should use the sock elements.

The elements are not embedded in the foam. The heating element for the lower seat is sold as a stick on. It has to be cut in half for the two lower GT3 seat cushions. This is not hard. The upper element is sold attached to the seat cushion. It can be liberated with a hair dryer.

Contact me if you want more details.

BTW, these are GREAT on a late fall or early spring track day, when the windows must be down!

Hello all,

My Passenger Variocam Solenoid Seal is leaking - dealer identified it as part #996.193.223.52 for a '99C4. It looks straight forward - can anybody offer any tips?

Thanks,

Jeff :cheers:

Maybe BruceM can shed some light for you.

http://www.renntech.org/forums/index.php?showtopic=10953

Patrick, thanks for clearing that up for me :) do you have any pix of the camshaft actuator?? looks like i might have to replace that.

can anyone help?

The problem is the harder you make them to steal, the more damage they will do. If they give up and leave the lights, it will likely be too late.

Yes, you do have the wrong part. The cam position sensor is on the head itself (you are pointing at the valve cover), on top, almost directly above the part you are looking at. I'll try to dig up a picture when I get home this evening. Manwhile, anone else who wants to chime in (1999Porsche911) please feel free.

So is that part with the wire coming out of it the Cam actuator? I replaced the gasket around it (even though it still leaks a little, that picture was taken before I replaced the part)

Loren... input??? :drive:

Yes, I believe that is the variocam actuator. Here is the cam position sensor:

Patrick

i got a photo to upload.. maybe I think this is the wrong part :oops:

if i am wrong.. where is the cam sesnor :cursing:

Yes, you do have the wrong part. The cam position sensor is on the head itself (you are pointing at the valve cover), on top, almost directly above the part you are looking at. I'll try to dig up a picture when I get home this evening. Manwhile, anone else who wants to chime in (1999Porsche911) please feel free.

sometimes easier to say on drivers side or passenger side ;)

the one I need to replace is drivers side which is easy to get to, but what about taking it out? should I worry about that?

No, Bank 1 is on the driver's side, at the front of the engine, the end nearest the transmission. I have only seen it with the engine out of the car. If you have access to it, the only thing I can think of to mention is don't re-use the O-ring. I really don't think you can get at it with the engine in the car, though.

getting to the driver side one is easy! take out the rear fender liner and it is right there! Now the passenger side one is a PAIN! even the o-ring is a pain to get at!! :cursing:

Wow. How different is your car than mine? I have no frnder liner back there, just sheet metal. I can see the cam position sensor, or at least the things around it. No way I would be able to reach it. You are not confusing it with the actuator for the variocam, which is right there, are you?

sometimes easier to say on drivers side or passenger side ;)

the one I need to replace is drivers side which is easy to get to, but what about taking it out? should I worry about that?

No, Bank 1 is on the driver's side, at the front of the engine, the end nearest the transmission. I have only seen it with the engine out of the car. If you have access to it, the only thing I can think of to mention is don't re-use the O-ring. I really don't think you can get at it with the engine in the car, though.

Sensor for Bank 2 is located in the back of the engine, behind PS pump above cylinder #4.

You are absolutely right, I was dyslexic. The bad news is that the Bank 1 sensor is the one on the front of the engine, and I don't think it's very easy to get to.

are these easy to replace? is there a trick? i have an issue iwth Bank 1 cam sensor and looking to replace it soon

The Bank 1 cam position sensor is at the rear of the head (car rear, most accessible), but I haven't seen how bad it looks when the engine is in the car. The other bank's is at the front of the engine.

Odd that the RoW cars don't have that.

It doesn't appear that 3.6L X51 cars do either, but I'm still trying to confirm that. That might help me come up with parts that fit.

Edit: 3.6L cars don't have this cooler.

TT and GT2 have fuel coolers but not the 996 Carrera.

Oh, there is a fuel cooler alright. 996-573-069-01. It is mounted to the ac compressor suction and is located under the intake. It's shown here with the wrong pipes.

Due to a recent modification to my car, the fuel cooler will not be going back in. Clearance issues. How important is the fuel cooler and what are the ramifications of running without it?

What problems are you having and what codes are you getting. Depending on the codes, you can also have a failed actuator on one bank and the sensor is reporting correctly. P1530 / P1531 and/or P1524 / P1539 would indicate such a malfuntion.

I'm not getting any codes. I am asking a question about what the sensor does, what the ECUs do with that information, and how the car would react with just one. I think your response and Loren's answer my question. Thanks.

Probably a P0341 Camshaft Position Sensor 1 - Signal Implausible, Short to Ground, Short to B+

and/or P1397 Camshaft Position Sensor 2 - Signal Implausible, Short to Ground, Short to B+

and a CEL.

Thanks, Loren. Do you think there is any way to prevent the CEL? Would the variocam work without the sensor?

There is one sensor for each bank.

Thanks. I know how many there are. My question is what happens if one goes missing.

Would a 3.4L engine run with only one cam position sensor? Are both needed or is one redundant?

The trick I used was to add the GT3 third radiator and connect it to the engine cooling system. That does nothing for the transmission but can really drop temps for the engine during track events and running on hot days.

IMHO unless you are running some 24 hour (or even 12 hour) distance race you don't likely need any transmission cooling.

Your humble opinion is probably right, but they do put it on the GT3 for a reason. I already have the third radiator, thank you!

The GT3 and 996 use very different transmissions -- so I doubt it.

Why? Do you think your transmission is over-heating?

Not so's I notice. I thought I saw a post somewhere that said it could be done. The transmission is out of my car for other reasons rights now. I'm just thinking about anything I can do while it is out.

Will the GT3 transmission cooler fit the transmission on a 2001 C2 6 speed? Has anyone done this? What parts are required?

Drove next to a relatively new 996 tonight coming back from the grocery store.  His headlights were on, and the left tail light was noticeably brighter than the right.  His fog lights were also on - not sure if that affects tail light brightness.

When I got home, both my tail lights were the same brightness, with and without fog lights on.  Might be worth checking if fog lights affect tail light brightness

Did he have his rear fog light on?

Does anybody have any recommendations as to which scale manufacturer is best? So far I've only looked at scales by Longacre and Intercomp. Any info or advice would be appreciated.

I think you should do a season of DE's to blend them in! :)