CAV296 filter assy
Last weekend I headed out to meet up with some of the guys from the S2 forum local 'chapter' and after a couple of mins switched over to SVO the engine started to baulk due to a lack of fuel. Tried it once more after driving a few miles on dieso and then had the same problem. As I didn't flush the system last time after fitting the new filter I 'assumed' more crud had worked its way through and bunged the new filter?
Roll on today and as soon as I opened the underseat filler to the SVO tank and then heard the woosh as the tank pressure came back to atmospheric. I then realised the cause of the problem!
When I rebuilt both tanks I fitted new rubber gas cap seals - so they actually do seal (rare for LR?). In this case I sealed it up a bit too well and the sprung vac vent in the cap had become gummed up with polymerised veg oil - so it would not vent at all. Duuuugh?
I cleaned the vent port and also swapped for the dieso side fuel cap as this had a bigger vent port so this should be less likely to gel up. Also drained the full veg tank of +40 litres of oil to check how much crud was floating in there and could cause future problems. The result was I found the tank was spotless clean inside. Zero crud. The few bits I found the other week in the inline filter must have been from earlier trials a year or so ago?
Tank now refilled and left running for 40 mins on SVO without any issues. I couldn't get Trigger out of the drive for a run due to my other vehicles, and time limitations, but fingers crossed I have hit the nail on the head this time?
