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Author Topic: Tip for removing 2.6/3.2 coil pack without damage.  (Read 4642 times)

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feeutfo

  • Guest
Tip for removing 2.6/3.2 coil pack without damage.
« on: 01 January 2011, 02:59:19 »

I have seen four 3.2 coil packs with some quite serious damage caused by removing with a blunt object such as a screw driver to lever them out. This is unnecessary and in some case quite expensive if the damage is bad enough, in one case replacement was necessary.  >:(

These pics where taken in the course of fitting new cam cover gaskets and o rings.
Unplug the electrical connector at the rear, then...

Close up shot shows the coil PAC bolt (smaller thread in hand) removed to reveal a thread in the brass insert put there by Mr. Bosch to aid removal. The smaller threaded bolt passes through this and unscrews from the head, then place a larger bolt into the brass thread, the ones from the plenum are the correct size if needed.


Screw bolts in like so


Pic below shows the general idea, pull on the bolts with both hands. I'm only using one hand as the other is holding the camera.


They can be very stiff to remove and some wiggling and rocking side to side while pulling may be necessary. Expect them to fly out suddenly so brace yourself and place a rag over anything solid above them like the fuel line unions on the inlet etc.(not shown)

2,4,6 bank is made a bit easier with the limited access of the cable tray which can be pulled aside with a bungee cord to bonnet stay.
« Last Edit: 06 January 2011, 21:17:01 by jimbob »
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feeutfo

  • Guest
Re: Tip for removing 2.6/3.2 coil PAC.
« Reply #1 on: 01 January 2011, 03:34:56 »

Some pics of damage, in this case very mild. Others had coplete sections broken off and the rubber seal(not shown in the shots below) around the edge had torn though. It's important to keep the rubber seal intact as any water getting into the engine bay will get into the plug wells and cause a missfire.

Which is exactly what's happened here signified by the rust marks and cracks in the plastic caused by rust swelling the internal core. Cause was the rubber windscreen seal to scuttle come adrift from the base of the screen allowing all the water off the screen to run into the engine bay on the 2,4,6 side. Good clean up with new plugs and this coil PAC was fine btw.


« Last Edit: 06 January 2011, 21:17:40 by jimbob »
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