Find us in WORKSHOP Magazine this month for a little insight to how AW MotorSport began and our goal to provide a good quality service for Porsche owners and many other brands
Porsche IMS Bearing failure is a known issue with the 9×6 and 9×7 models from 1998-2008
To prevent this failure, we at AW Motor Sport are happy to introduce this upgraded bearing that can be fitted without the extremes of a complete engine strip and rebuild at a very competitive price.
Please contact us for further information or to make a booking
Fully fitted prices from £1350 inc VAT
Porsche 996/997 coil packs: We’ve just had a Porsche 996 in for a service and had to change the coil packs, which is a common job on the Porsche 996, 997, Boxster and Cayman.
Petrol engines have to create a spark to ignite the air/fuel mixture in the cylinder and this is done by passing a high voltage through the spark plug. As cars only have a 12-volt electrical system, the high voltage is created by a coil. In the old days, there was just one coil which fed all the spark plugs, however most modern cars have one coil per spark plug, and these so-called coil packs are positioned right by the spark plug.
On Porsche flat six engines, then, there are six coil packs. Over time, it’s inevitable that these will fail, leading to misfires, rough running and lack of power. All coil packs have a limited life, on whatever, car, but those in Porsche 996/997s and the like have a particularly tough life, as they are positioned very close to the hot exhaust system and also get splashed by water from the road. There are heatshields around the exhaust even these corrode away over time.
The heat causes the plastic casing to harden and eventually crack which leads to water ingress and, as we all know, water and electricity don’t mix well, and that’s when problems begin.
It’s easy enough to change Porsche 996/997 coil packs and during a service and, once done, this Porsche drove perfectly again.
Some people argue that failing coil packs are a Porsche design fault but, to be fair, we see the problem on all sorts of modern cars. It’s just one of those things that has a limited service life and when you think that the first Porsche 996s are some 15 years old, it’s not surprising that we are having to change coil packs.
Like the Beetle’s, a Porsche 911 engine is removed from below, and that stands true for all models, from 1963 to 2012, plus Boxsters and Caymans.
In many ways, it’s easier than hoisting an engine upwards through the bonnet, which is the case on most cars. You just need to have the car high enough off the ground and the engine drops right out. The exhaust system stays on the engine, too, which saves messing around disconnecting rusty and inaccessible fittings.
OK, it’s not quite that simple. On modern Porsches, such as this 997, there’s a fair bit of work involved in disconnecting the various pipes and cables from the engine (air-cooled cars had an advantage here as they had no water pipes!). We allow four hours to get an engine out, and about the same to put it back again.
It’s good that it’s straightforward to drop a Porsche 911 engine, as you need to do so for various jobs on the car. In this case, the engine had to come out simply to renew some air-conditioning pipes.
Look at how large a modern Porsche 911 engine is when it’s out of the car. Of course, much of that is the exhaust system but it’s still a chunky unit.