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spark plugs how to

morning all. has anyone got an idiots guide to changing plugs on a 97 2ltr ts tools needed etc. thx
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Ribe bit to remove the coil cover ( some people use Torx as they are a near fit if they don't have a suitable ribe bit )
Hex bit
Spark plug socket + extension
torque wrench

1. Use the ribe bit to undo the 6 fastenings on the coil cover. You only need the bit that says 'Twin Spark' - leave the bit with the oil filler alone.

2. Undo the 3(?) hex screws to undo the coil packs.

3. Lift the coil packs off the plugs ( fiddly ) and move the whole assembly off to the side ( over the air inlet trunking )

4. Remove the plugs .

Now the Haynes bit :

5. Refitting is the reverse sequence to removal

Even though the spark plug threads are different sizes, they use the same size socket. I have one of these :
Sealey Spark Plug Wrench 250mm 3/8sq Drive - 10mm Plug, AK6552 at Tool Shop Direct
but as noted above, a normal 10mm spark plug socket and an extension works fine.

Torque settings are on the low side.

7Nm for the coil cover Ribe screws.
25 to 35Nm for the large spark plugs
10 to 12Nm for the small spark plugs

You can probably get away with a 10Nm minimum torque wrench ( e.g. a 10 to 80Nm ) which will do the plugs OK. For the cover ribe screws, you can probably get away with gently nipping them up by hand as they don't seal anything.

Edit : corrected the fastening type for the coil pack. It's hex not crosspoint.

Last edited by pkr; 14-04-11 at 09:37.
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(Post Link) post #4 of 5 Old 14-04-11 Thread Starter
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cheers mate, job for the weekend
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