411514 wrote: ↑06 Jan 2018, 20:51I wouldn’t lose sleep too much sleep over it. Whilst the suggestion may be best practice, I must have had mine up in the air dozens of times without ever having any issue.Cupi34 wrote: ↑06 Jan 2018, 19:43 Should there be a pressure inside the tank? (LDS cap seals all air getting in and out)
I ask because there are posts who claim there should be a pressure inside the tank. And it is best to put the car in raised position not low when putting on the LDS cap, not low position.
I would, when even the MOT testers page has a special Info Sheet on the procedure..............