About GMC Sierra
GMC Sierra, as a pickup truck, has been produced by General Motors' GMC Division since 1987. When GMC Sierra was introduced in 1999 for the first time, it was meant to replace the prominent Chevrolet C/K truck lineup. GMC Sierra, along with its mechanically identical cousin Chevrolet Silverado, has been produced through three generation till now. And the light pickup truck versions Sierra 1500 and 2500 were also launched in 1998 for the 1999 model year.
The second-generation GMC Sierra (2007-2013) arrived in the last quarter of 2006 as a 2007 model together with Chevrolet Silverado. It then was available in 1500 HD, Classic and crew cab, extended cab equipped with 2-wheel drive and 4-wheel drive system as well as Sierra Denali with all-wheel drive system. GMC Sierra 2500 and GMC Sierra 3500 carried same trim levels. As for main powertrain, GMC Sierra was powered by either a 6.0 L or 6.6 L V8 engine mated to 6-speed automatic transmissions. Then on December 13, 2012, the third-generation GMC Sierra (2014-present) was officially released at the North American International Auto Show. Besides trim levels from previous generation, GMC Sierra added 2016 GMC Sierra SLT and GMC Sierra All Terrain X. At the same time, more powerful V6 and V8 engines mated to 6-speed automatic transmission become its power source. As for Hybrid version GMC Sierra, it gets an exclusive 4-speed 2-Mode Hybrid transmission.
GMC Sierra Common Problems & Maintenance Tips
As a pickup truck, GMC Sierra was designed to hauling and transporting heavy item for long distance. After a long-time hardworking, GMC Sierra definitely would encounter some problems. Such as:
First, illuminated Check Engine Light. Engine problem is not peculiar in any long-operating vehicles. And it is for sure that once Check Engine Light comes on, you need to inspect auto parts that may activate the light in your GMC Sierra carefully. For instance, broken spark plug would not only impair engine performance as slow acceleration and inability to start, Check Engine Light could also be illuminated. Other parts including fuel filter, fuel pump and oxygen sensor in Sierra also need thorough inspection.
Second, hesitant transmission and poor suspension. GMC Sierra owners has complained transmission problem as starting in different gears or not going into any gears at all, which actually can be attributed to a broken shift cable. As for poor suspension, Sierra drivers described that the excessive vibration and clunking noises while driving especially when going around corners at low speeds could distract their attentions. What's more, it needs take more time to stop the vehicle is also very dangerous for drivers. Faulty shock absorber and control arm in Sierra suspension system are often the main causes.
However, in order to sustain your GMC Sierra's long lifespan, you need do more. Seat belt, door lock, headlight, windshield wiper or wiper blade are both important and vulnerable in Sierra. Please remember to change seat belt after every accident so that next collision or sudden movement it could protect you from harm of impact or parts in the vehicle; door lock once it could not close or open freely so that you won't get stuck in your vehicle and you could enter or exit from vehicle freely, headlight if it sends out dim or flickering light so that you could see clearly in the early morning or at dark night; and windshield wiper or wiper blade once a year so that your driving vision won't get blocked by debris on the windshield brought by adverse weather conditions such as downpours or heavy snow. Routine maintenance is what you never left out on your GMC Sierra.
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