Question 1

What is the Accumulator Failure (PCC II) issue on the McLaren 720S / 765LT?

Accepted Answer

The nitrogen-filled hydraulic accumulators that manage roll and pitch eventually fail, leading to a harsh ride and suspension warnings. Symptoms include: Suspension Fault warning, Excessively bouncy or harsh ride, Power steering pump whining. Estimated repair cost: £1,500–£2,200.

Question 2

What is the Stress Cracks in Gorilla Glass issue on the McLaren 720S / 765LT?

Accepted Answer

The specialized lightweight glass used for the upper door sections and pillars can develop stress cracks. Symptoms include: Visible hairline cracks in the glass panels, Water ingress during heavy rain. Estimated repair cost: £1,500–£3,000 per panel.

Question 3

What is the Panel Alignment and Trim Gaps issue on the McLaren 720S / 765LT?

Accepted Answer

Earlier production cars occasionally show inconsistent panel gaps, especially around the front trunk (frunk) and rear deck. Symptoms include: Uneven gaps between body panels, Trim pieces feeling loose. Estimated repair cost: £500–£1,500 (Adjustment).

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