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Hi everyone.

 

I have an 02 996 C4 cabriolet with relatively low mileage, 100,000 km.

It has never had its spark plugs done.  There are no issues with the car, but it sounds like it might be a good idea.  

I have read all sorts of threads on this.

Some people say it is so easy and they can do it in like an hour without removing anything from the car.

Others say its really difficult and they take off the mufflers, bumpers, etc just to get access.

 

I am not someone that has done a lot of work on cars, and I don't have all sorts of ratchets, etc to work in cramped corners so I think I'd rather do it the second way.

 

What is best access then to do spark plugs in terms of hoisting up the car.

Currently I have two jacks, two jackstands and two rhino ramps.   

I worry that if  I use the rhino ramps then if I get access issues I won't be able to remove the rear wheels.

 

Thanks for any help!

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Posted (edited)

Thanks Loren I did read that.  

So ramps are out then if you have to remove the rear wheels.

Can i just do 2 jackstands on the rear then with the front wheels chocked for this or do I actually have to get underneath the car?

 

PS I don't like the idea of getting under a car!

Edited by muranomike

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17 minutes ago, muranomike said:

Thanks Loren I did read that.  

So ramps are out then if you have to remove the rear wheels.

Can i just do 2 jackstands on the rear then with the front wheels chocked for this or do I actually have to get underneath the car?

 

 

I personally don't see how you are going to complete this without getting under at least the rear of the car.

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Yes, I have done that. I have used jack stands plus leaving the up on the side I am working on (jack stand carries the weight and the jack is fall protection. 

As II said in the DIY the mufflers are easy to remove and then the spark plugs are clear to work on.

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I just replaced my plugs and coils this past weekend. I utilized jack stands as Loren described. You will want to get the tires off to have the needed access.  Also, recommend replacing the coils while you at it. I had misfire on cylinder 3, which was caused by the coil, hence my fun over the weekend. The older style coils are prone to failure. Good luck!

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Ok so rear jack stands, wheels off, front wheels chocked.

I worry about the car slipping forward if I raise the back  too high.  Maybe thats unwarranted fear with good jack stands.  

How high are most people comfortable getting the rear end up without putting front jack stands to level it out?

 

Also as this is an 02' it doesn't have spark plug tubes, but there are seals.  Are these necessary to replace or just if I find oil on some of the plugs?

 

Thanks guys!

 

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You’re on the right track from my perspective. I had my jack stands at the lowest possible height, therefore, no worries about roll or other movement. Also, working from my back, I did not want to have to reach up any higher than necessary.

I have tubes, so I’ll defer to the other great experienced minds on our forum.


Sent from my iPhone using Tapatalk

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Thanks so much.

 

Do you suggest I just wait until I get a misfire code or some other issue before changing them out?

Its not my daily driver so I can so its not essential that it stays running..

 

These are my original spark plugs, but as I said I am having NO issues and car is running great..

 

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Spark plugs are a maintenance item. For my 01 C2 the maintenance schedule for the sparks plugs is 50K miles. My plugs and coils had a little over 48K miles when I replaced them last weekend. The plugs looked pretty good. I had a crack in the number 3 cylinder coil pack, which were the old 996 version. I’m the type of person who enjoys doing their own maintenance within skills and abilities, therefore, I stick to Porsche’s maintenance schedule unless I read about experiences and advice on our forum (i.e., scheduled water pump replacement). Also, like yours, my car is not a daily driver. So, when I jump in to go for a ride, I want my 911 in top running condition and not having to worry about when was the last time I performed maintenance. It’s worked for me in 40+ years of car ownership, and I can count on one hand the number of times I’ve needed assistance while out on the road.


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14 hours ago, muranomike said:

Ok so rear jack stands, wheels off, front wheels chocked.

I worry about the car slipping forward if I raise the back  too high.  Maybe thats unwarranted fear with good jack stands.  

How high are most people comfortable getting the rear end up without putting front jack stands to level it out?

 

Also as this is an 02' it doesn't have spark plug tubes, but there are seals.  Are these necessary to replace or just if I find oil on some of the plugs?

 

Thanks guys!

 

 

Unless you have a leak, leave them alone.  Job to replace them is a bear.

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