Cobra Sierra 1999
Model Sierra made in 1999 by Cobra got 1 consumer complain. Consumer complaints with reference to service brakes, hydraulic. .
Model 1999
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| SERVICE BRAKES, HYDRAULIC - FOUNDATION COMPONENTS - MASTER CYLINDER | |||
| 07/08/1999 | 2 | 11/01/1998 | |
| After ~20 miles of stop-and-go driving, braked at ~40 mph to slow/stop for traffic 5- to 6 car-lengths ahead. brake pedal sank to floor with little resistance, no slowing of vehicle. during body repairs, shop employee noted spongy brake pedal feel, `ineffective during hard braking'. truck transferred to mechanic, who found brake master cylinder leaking from rear seal & reservoir gaskets - and also found all front pads worn `to the point of needing replacement'. selling gm dealer replaced pads but denied m/c leakage, but second dealer (dutton gmc in riverside, ca) confirmed leakage and replaced m/c under warranty. 2,100 miles later, on 10/4/99, noted fresh fluid leakage at rear of m/c; when cap removed, new fluid had turned very dark; when replacing cap, noted fluid squishing from round seals between reservoir and m/c bore. | |||