The 2014 Chevrolet SS

 

The Rear-Wheel-Drive Performance Sedan Returns

 

techlink_novb_f01

Fig 1

 

The 2014 Chevrolet SS, Chevrolet’s first V8 rear-wheel-drive performance sedan since 1996, is designed to deliver performance on the street and on the track.

 

Sharing its underpinnings with the Camaro, Caprice Police Patrol Vehicle and Holden’s VF Commodore, the SS benefits from a proven, race-tested, global rear-wheel drive architecture.

 

The SS features a high performance version of the legendary Chevrolet 6.2L V8 small block engine and a 6-speed automatic transmission equipped with TapShift®.

 

Here’s a closer look at the new SS.

 

POWERTRAIN

 

V8 Engine

 

The all-aluminum small-block 6.2L V8 engine (RPO LS3) produces 415 horsepower (310 kW) @ 5900 rpm and 415 lb.-ft. of torque (563 Nm) @ 4600 rpm, which propels the SS to a 0-60 acceleration time of about five seconds.

 

dexos 1™ SAE 5W-30 is the recommended viscosity grade for the 6.2L engine. Do not use other viscosity grade oils such as SAE 10W-30, 10W-40, or 20W-50.

 

Automatic Transmission

 

The 6-speed automatic transmission includes TapShift controls located on both the shift knob and the steering wheel. It includes a transmission oil cooler. The engine’s torque is channeled to the rear axle, which has a 3.27 ratio for a great feeling of performance.

 

Sport Shift mode – can be selected for maximum responsiveness. The transmission will delay upshifts and allow earlier downshifts. In addition, the transmission can sense enthusiastic driving, at which point it may delay upshifting and downshift earlier when braking.

 

Active Select (A/S) mode – allows gears to be selected manually. It can also provide engine braking by selecting the appropriate lower gear on a steep downhill grade.

 

CHASSIS

 

4-Wheel Independent Suspension

 

The SS is equipped with 4-wheel independent Sport-Tuned suspension (FE3).

 

The front suspension is a multi-link MacPherson strut setup with a direct-acting stabilizer bar and progressive-rate coil springs. Camber, caster and toe are fully adjustable. A hydraulically damped bushing is used on the forward end of the tension link for improved ride isolation.

 

The rear suspension is a multi-link independent system with progressive-rate coil springs over shocks; decoupled stabilizer bar and fully adjustable camber and toe. High lateral stiffness for handling is provided by three lateral ball joints per side with improved longitudinal compliance. A rubber isolated suspension frame isolates the body from road imperfections and drivetrain vibrations.

 

Electric Power Steering

 

The Electric Power Steering (EPS) system uses a forward-mounted steering rack. The variable-effort electric power-assisted rack-and-pinion steering is calibrated to detect constant driver steering wheel load due to factors such as road camber and crosswind. The system will compensate to reduce steering effort to a more neutral level and lessen potential driver fatigue.

 

Brembo Brakes

 

Standard front Brembo aluminum 4-piston calipers operate on ventilated 14-inch (355-mm) two-piece rotors. (Fig. 3) Solid 12.7-inch (324-mm) rotors are used at the rear. The Brembo aluminum brake calipers provide increased stiffness to reduce fluid displacement and caliper deformation without adding weight, reducing brake wear and providing superior braking performance.

 

2014 Chevrolet SS

Fig 3

 

Electronic Brake Force Distribution optimizes control of rear brake pressure on all road surfaces and under all vehicle loading conditions.

 

Electronic Brake Assist senses how hard and fast a driver depresses the brake pedal and gives extra braking assistance, if required.

 

High-Performance Tires

 

The SS uses ultra-high-performance summer-only Bridgestone tires — 245/40ZR19 on the front, mounted on 19 x 8.5-inch polished forged aluminum alloy wheels and 275/35ZR19 on the rear, mounted on 19 x 9-inch polished forged aluminum alloy wheels. The different size front and rear tires should not be rotated front to rear. Rotate the tires in a side-to-side rotation pattern only.

 

TIP: Summer performance tires should not be used for driving in winter conditions. Doing so will adversely affect safety and performance.

 

Depending on equipment, the SS may come with a full size 245/40ZR19 spare tire that is the size that comes as original equipment on the front of the vehicle. If a flat tire occurs on the rear of the vehicle and the spare tire is installed, a 275/35ZR19 tire must be installed on the rear of the vehicle as soon as possible.

 

CONVENIENCE AND ENTERTAINMENT

 

MyLink Infotainment System

 

The Chevrolet MyLink infotainment system is standard on the SS and is accessed via an 8-inch (203 mm) diagonal color touch screen housed in the center stack. (Fig. 4) The system features a Bose® 220-watt, 9-speaker premium sound system including subwoofers, a CD player and navigation.

 

2014_Chevrolet_SS_Interior03.jpg

Fig 4

 

Standard Automatic Parking Assist

 

SS is the first Chevrolet to offer Automatic Parking Assist, which provides hands-free parking help. The system uses an ultrasonic sensing system to detect the width and depth of either parallel or reverse right-angle parking spaces. While the driver controls the throttle, transmission and brake, Automatic Parking Assist controls the steering input necessary to park the vehicle.

 

When activated, the system searches for parking spaces to the right of the vehicle. To search for a parking space to the left, turn on the left turn signal.

 

If the vehicle is in R (Reverse), but does not steer into the expected space, the system may be maneuvering the vehicle into a previously detected space.

 

ELECTRICAL ARCHITECTURE

 

Global Diagnostic System 2 (GDS 2)

 

The 2014 SS uses GM’s Global A electrical architecture, which requires the use of the Global Diagnostic System 2 (GDS 2) software and the Multiple Diagnostic Interface (MDI) module.

 

Navigation Path to Select the Vehicle When Using SPS to Reprogram a Control Module

 

Because the Chevrolet SS is built in Australia, the navigation path used to select the vehicle when using SPS to reprogram a control module is slightly different. Follow these steps:

 

1. In the Service Programming System – Validate/Select Vehicle Data – Salesmake screen, select the drop down menu.

2. Scroll down the menu until Chevrolet Holden appears.

3. Select Chevrolet Holden.

 

 

SAFETY AND CRASH AVOIDANCE

 

Forward Collision Alert is standard and uses a digital camera to help drivers avoid front-end collisions. It is a warning system only and does not apply the brakes.

 

The high-resolution digital camera is mounted on the windshield, ahead of the rear view mirror. The system looks for vehicles ahead and uses the vehicle’s Head-Up Display (HUD) to warn drivers if they are following another vehicle too closely. The system detects vehicles within a distance of approximately 197 ft (60 m) and operates at speeds above 25 mph (40 km/h).

 

Lane Departure Warning is a camera-based lane detection system that uses a camera sensor mounted on the windshield ahead of the rearview mirror to detect the lane markings. It warns the driver of unintentional lane departures if the vehicle is crossing a lane without using a turn signal.

 

Side Blind Zone Alert uses radar sensors on both sides of the vehicle to look for other vehicles in the side blind zone areas and indicates their presence with LED-lit symbols in the outside mirrors.

 

Rear Cross Traffic Alert uses the same sensors as the Side Blind Zone Alert system to warn drivers of approaching vehicles when backing out of a parking spot, including angled parking. Visual and audible alerts are triggered if moving vehicles are detected.

 

TOWING

 

The 2014 SS was neither designed nor intended to be towed with any of its wheels on the ground. If the vehicle must be towed, use a flatbed car carrier.

 

There are two oval-shaped slots under the front of the vehicle that should be used to move a disabled vehicle. To hook to the vehicle, use only these slots. The slots can be accessed through the splash shield. Use an appropriate size T-hook for the slot. Use the proper nylon strap harnesses around the tires to secure the vehicle on the flatbed carrier.

 

PRE-DELIVERY INSPECTION (PDI)

 

The factory-installed shipping spacers in the front coil springs provide additional clearance during vehicle transportation and MUST be removed when performing the PDI. (Fig. 5) With the vehicle on a hoist, remove the shipping spacer and repeat for the other side.

 

techlink_novb_f05

Fig 5

 

The factory-installed rear disc brake rotor protection covers also MUST be removed when performing the PDI. With the vehicle on a hoist, rotate the wheel while at the same time pulling the torn end of the cover away from the disc brake rotor and wheel. Ensure that all material is removed and repeat for the other side.

 

In addition, check the tire air pressure during PDI. The pressures are set higher for shipping. The tires pressure should be set at 36 lbs. Refer to the Tire and Loading Information Label near the driver’s door latch.

 

– Thanks to Brad Thacher and Sherman Dixon

 

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