Chamberlain-Synergy Motorsport have just two hours in which to perform like clockwork before they face failing to qualify for this weekend's Le Mans 24 Hours.
The yellow LMP2 Lola was in the wars early in Wednesday night's qualifying, with Peter Owen doing considerable damage when he hit the barriers after the second Mulsanne chicane.
Team boss Hugh Chamberlain said: "We had to change three corners, all the suspension. In fact, so much that it was almost a new chassis.
"These repairs were completed with 50 minutes of the two-hour first half of the session left, but the car didn't get far when Owen went out for a second run. Indeed, the paddle gearshift failed and apparently the manual facility as well."
This left Chamberlain and his crew with just an hour to get everything fixed before the final two hours, with the other two drivers, Bob Berridge and Gareth Evans, still to go out for their first laps.