996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Notes on coil pack replacement with new style coils

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  #46  
Old 02-05-2016, 03:25 AM
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Originally Posted by pwdrhound
It takes all of 10 minutes to remove the bumper and ICs to give you full access to the coils. Why complicate things? Loosen turbos to change coils? That's funny...
agree.
 
  #47  
Old 02-06-2016, 10:17 AM
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Originally Posted by pwdrhound
I run Bosch 0986221016 Ignition coils, Porsche part number 997.602.104.00. $40 each... Perfect fit, no issues
Just yesterday had the coils in my 2003 Turbo replaced. Coil part #: 997.602.104.02. (Retail price: $76.36; my discounted price: $61.09.) Tech reported no problems with any interference. He said there is a "trick" in removing the old coil -- at least at one cylinder (I do not recall he provided the cylinder number) -- and installing the new coil. The old coil is removed to the right (or left -- I forget which direction he said) and then the new coil is installed from the other direction. He didn't have to bend or push anythng out of the way, or force the new coils in, and the new coils do not touch anything and the wiring harness/connector are as they were before.

Longer bolts (Torx 6x40; Part #: 900.385.025.01) were required too for the new coils.

The rear bumper cover and intercoolers and hoses were removed. Oh and the rear wheels. The coils (and plugs, I had the plugs changed too) were as accessible as anyone could hope for. No part # for the plugs but I saw the new ones and they were the same as the old ones. Price? $31.50 for 6 new plugs.

Labor? Two hours. (And he cleaned the trash out of the radiator ducts at the front bumper cover.)
 
  #48  
Old 02-06-2016, 10:38 AM
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Thats some good info, thank you!
Yours is also an X50?
 
  #49  
Old 02-06-2016, 03:52 PM
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Originally Posted by b4stiTTS
Thats some good info, thank you!
Yours is also an X50?
My 2003 is not an X50.
 
  #50  
Old 02-06-2016, 10:21 PM
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any reasonably experienced mechanic that has changed the coils on these cars more than TWICE has removed the "mystery" from the equation and with it the 2.5 EXTRA hours that the dealerships collect and then pass along to pcna so the dealership can pay their technicians to keep their corporate sponsorship with PCNA?

y'all know how business works (?!?!)
 
  #51  
Old 04-11-2016, 02:19 PM
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I just fitted my tall coil packs.
It got right in, but its a tight fit, the pipe and the coil pack do not touch, but should i be worried about any heat from that pipe transferring to the coil?

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  #52  
Old 04-12-2016, 06:33 AM
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Originally Posted by pwdrhound
It takes all of 10 minutes to remove the bumper and ICs to give you full access to the coils. Why complicate things? Loosen turbos to change coils? That's funny...
Very funny i do agree Hound
 
  #53  
Old 04-13-2016, 10:51 AM
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Originally Posted by MadWhip
This might be a little offtopic to clear things out:::
This was my 3rd time I replaced sparkplugs. second time was helping a friend with his 996tt - first time i did this, (And maybe I'm wrong but i've seen people saying - it can be done without bumper removal - THAT is pretty much huge false. (If its possible , tell me ) from what i can tell, with shields and removing coils.
I didn't know any better, and put my car on the lift and started working. I removed the heat shields attached to the turbos, and I pulled the heat shields that protect the body work from the heat of the exhaust. And of course the rear wheels and rear splash guards inside the wheel wells. Maybe it was easy for me since I have aftermarket exhaust? Mine is a 2.5" Fabspeed.

After that, I was able to get all the coils and plugs out pretty easily. It was not quick though, I had to build little combinations of tools and swivels and various lengths of extensions. The key is a 1/4" flex head ratchet, a tool we hardly ever use but on this job it was the MVP!

I used slim 997 coils and had no issues. NGK BKR7E gapped to 0.025 and I replaced the variocam brackets even though mine were fine. I would be cautious about the heat shield touching the "tall" coils because any rattling could trip the knock sensor. I've had that happen many times on other cars and on mine, I had a turbo heat shield rust off at the mounting flange and cause the same problem on my 911 before I replaced it.
 
  #54  
Old 04-15-2016, 05:42 PM
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Going to try and install the tall coils tomorrow.. hoping all goes well.

I had originally thought I ordered the older slim coils from pelicanparts but got delivered the tall coils instead.
 
  #55  
Old 04-16-2016, 04:32 AM
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Remember to have a couple of 6mm washers ready as you need them for one bolt when attaching the heat shield.
 
  #56  
Old 04-18-2016, 01:20 PM
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Did my coilpacks over the weekend with the tall coils and clearance was exactly the same as Ronny's picture above.

Everything seemed to fit and go in correctly and didnt end up needing any washers for the heat shield.

The hardest part of the job for me was removing a stuck silicone hose that connected to the intercoolers during removal.
 
  #57  
Old 05-03-2016, 10:31 AM
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Finally got around to finishing my Beru coil install lol. The tall coils fit around mentioned pipe but was a tight fit, overall an easy job. The heat shields did not need spacers in my case. The only snafu was ECS sent me two low profile coils and four high. I figured since they were up dated coils it wasn't worth sending them back and installed together on one side for ease of replacement if needed. Told my potential buyer of situation and he was fine with it also.
 
  #58  
Old 05-03-2016, 01:51 PM
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I believe its the luck of the draw how the pipe is positioned , I can see just putting a thinner one there and not making it a hassle.
 
  #59  
Old 05-03-2016, 02:01 PM
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Great Post!!
Replaced mine a month ago, got lucky and had no issue with pipe interference although it was a bit tricky to maneuver it in there.
2003 X50
 
  #60  
Old 10-19-2016, 01:22 PM
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So I called Pelican directly a few weeks ago to order the older style plugs to make sure I get the right coils and don't have any problems on install.
Spoke with an agent explained everything from this post, he seemed aware and told me if I ordered 997-602-104-00 they will be shorter and I have to re-use my old bolts but 997-602-104-02 newer ones will come with longer bolts .
1 week later they arrive and I see they sent me the newer ones anyways for the same price. I called them up and spoke with another agent he said they might not make the older ones anymore. He told me to send them back and he will try to source the older ones from another supplier. Oddly in the box the packing info said 997-602-104-00-INT but the coils had ZS178 on the boxes and included the longer bolts.
Waiting to see if I get the right ones this time.
 


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