Carbon cannister
Discussion
This is the sequel to my fuel tank saga.
Any of you with pre-cat cars will be spared this joy! The biggest problem is access, the carbon can is mounted behind the RHS headlamp. My car is a 2000 Griff 500, and I found that you can neither get to this via the air intake even by removing the RH horn nor by the access panel in the wheel arch, as the headlamp pod and supporting bracket are in the way. This left 2 possibilities, 1. remove the headlamp pod, or 2. there is a pop-riveted fibre-glass access panel behind the washer bottle. I was nervous about disturbing the bonded in headlamp pod for fear of damaging the paintwork so I went for the second option. Once the washer bottle and mounting bracket had been removed I was able to drill out the 2 upper pop-rivets, and I was relieved to find there was only a single self-tapping screw below. This access panel being mainly secured by sealant. Once this had been cut away I was able to pivot the access panel on the remaining self-tapper, itself difficult to remove without removing the rad. The carbon can is secured to the back of this access panel by a stud welded to a large jubilee clip. There are 3 hoses secured by jubilee clips and 1 electrical plug. The can itself is a large black plastic device, 155 mm high x 130 mm diameter, marked 'Rochester products Made in USA, tank 17093147. purge 69844.' This is still available from Drivestyle @ Harrogate - maybe elsewhere? The replacement weighed-in at around 0.9 kg, the original was 33% heavier @ 1.4 kg - possibly due to water contamination. As Mr Haynes says replacement is a reverse of the removal process - well almost. The new can comes with a plastic pipe already attached, I tried removing this by cutting-off the crimped-on clip only to find the pipe had been heat-shrunk onto the outlet ferrule, while the new pipe just isn't quite long enough to reach the plenum chamber without joining. I decide to join the new pipe after it passes through the access panel just under the washer bottle mounts for ease of maintenance. There is a rubber hose attached to the end of the plastic pipe, if this is to be removed another crimped-on clip needs to be cut off, and I found a small brass insert in the plastic pipe to prevent crushing when the clip is secured. I removed this and replaced it in my shortened pipe that was then inserted into the rubber hose, and secured this joint with a jubilee-clip. I used silicon sealant and self-tappers to re-secure the access panel.
I suspect this operation had been performed before on my car and, getting to the carbon can via this route would not have been practicable if the lower part of the access panel had still been secured by pop-rivets, as drilling these out would have involved removal of the radiator. In this eventuallity it might be easier to remove the headlamp pod?
Any of you with pre-cat cars will be spared this joy! The biggest problem is access, the carbon can is mounted behind the RHS headlamp. My car is a 2000 Griff 500, and I found that you can neither get to this via the air intake even by removing the RH horn nor by the access panel in the wheel arch, as the headlamp pod and supporting bracket are in the way. This left 2 possibilities, 1. remove the headlamp pod, or 2. there is a pop-riveted fibre-glass access panel behind the washer bottle. I was nervous about disturbing the bonded in headlamp pod for fear of damaging the paintwork so I went for the second option. Once the washer bottle and mounting bracket had been removed I was able to drill out the 2 upper pop-rivets, and I was relieved to find there was only a single self-tapping screw below. This access panel being mainly secured by sealant. Once this had been cut away I was able to pivot the access panel on the remaining self-tapper, itself difficult to remove without removing the rad. The carbon can is secured to the back of this access panel by a stud welded to a large jubilee clip. There are 3 hoses secured by jubilee clips and 1 electrical plug. The can itself is a large black plastic device, 155 mm high x 130 mm diameter, marked 'Rochester products Made in USA, tank 17093147. purge 69844.' This is still available from Drivestyle @ Harrogate - maybe elsewhere? The replacement weighed-in at around 0.9 kg, the original was 33% heavier @ 1.4 kg - possibly due to water contamination. As Mr Haynes says replacement is a reverse of the removal process - well almost. The new can comes with a plastic pipe already attached, I tried removing this by cutting-off the crimped-on clip only to find the pipe had been heat-shrunk onto the outlet ferrule, while the new pipe just isn't quite long enough to reach the plenum chamber without joining. I decide to join the new pipe after it passes through the access panel just under the washer bottle mounts for ease of maintenance. There is a rubber hose attached to the end of the plastic pipe, if this is to be removed another crimped-on clip needs to be cut off, and I found a small brass insert in the plastic pipe to prevent crushing when the clip is secured. I removed this and replaced it in my shortened pipe that was then inserted into the rubber hose, and secured this joint with a jubilee-clip. I used silicon sealant and self-tappers to re-secure the access panel.
I suspect this operation had been performed before on my car and, getting to the carbon can via this route would not have been practicable if the lower part of the access panel had still been secured by pop-rivets, as drilling these out would have involved removal of the radiator. In this eventuallity it might be easier to remove the headlamp pod?
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