The Swiss driver will make a return to Supercars on the Nice Race this yr, partnering rookie Kai Allen in a Dick Johnson Racing-run wildcard entry.
She was set to jet to Australia this week to start a compact testing schedule that was meant to incorporate working on each the fourth and fifth of September, adopted by a 3rd take a look at earlier than Bathurst.
Nevertheless these plans have now modified after de Silvestro underwent emergency surgical procedure to have her appendix eliminated.
She is at present recovering in Switzerland along with her journey to Australia delayed.
That has pressured the group to scrap its September 4 take a look at, whereas the take a look at on the fifth will go forward with Allen on the wheel.
The remainder of the testing programme will then be tailored as soon as de Silvestro is within the nation.
“Simona de Silvestro was attributable to land in Australia later this week forward of wildcard testing at Queensland Raceway on the fourth and fifth of September,” learn an announcement from the group.
‘Nevertheless attributable to an emergency operation required to take away her appendix over the weekend, her arrival date in Australia has been pushed again.
“Simona is recovering properly in Switzerland and at this stage is anticipated to hitch the group in Australia in mid-September. Different plans are being organized for wildcard testing forward of the Repco Bathurst 1000.
“The Shell V-Energy Racing Crew needs Simona a speedy restoration and appears ahead to seeing her quickly.”
There’ll nonetheless be some testing motion on September 4 with Blanchard Racing Crew to run its Jake Kostecki/Aaron Love wildcard at Winton, whereas Grove Racing enduro signing Kevin Estre can have his first style of a Supercar on the similar circuit.
All 11 Supercars groups will then take a look at on September 5 as preparations for the Sandown 500 and Bathurst 1000 ramp up.
Queensland Raceway will host DJR, Triple Eight, Matt Stone Racing and PremiAir Racing, whereas Tickford Racing, Walkinshaw Andretti United, Grove Racing, Erebus Motorsport, Crew 18, BRT and Brad Jones Racing all working at Winton.