2006 Gmc Envoy denali problems
The GMC Envoy is a mid-size SUV manufactured and marketed by General Motors for the 1998 to 2009 model years over two generations. Adopting a nameplate used by GM Canada, the Envoy was a rebadged variant of the Chevrolet TrailBlazer, Oldsmobile Bravada, Buick Rainier, Isuzu Ascender, and Saab 9-7X.
General Motors assembled the model line at its Moraine Assembly (Moraine, Ohio) and Oklahoma City Assembly (Oklahoma City, Oklahoma). Both facilities were closed by 2008, leading to the discontinuation of the model line. The Envoy was not directly replaced in the GMC model line as General Motors transitioned its smaller SUVs to unibody-chassis designs, introducing the smaller GMC Terrain and larger GMC Acadia.
First generation (1998–2000)
The first generation GMC Envoy was introduced for the 1998 model year. Introduced a year before the Chevrolet TrailBlazer, the Envoy was the highest-trim version of the GMC Jimmy SUV. In line with the Oldsmobile Bravada, the Envoy was fitted with a leather-trim interior, floor-mounted shifter, and a largely monochromatic exterior with aluminum-alloy wheels. In line with the TrailBlazer and the Bravada, the Envoy trim was offered only in the five-door version.
The Envoy had many extra features not available on the regular Jimmy 4-door including: a remote trunk release, heated driver's and passenger's seats, a Bose sound system, and High Intensity Discharge headlights. Optional features included: a power sunroof, a panic alarm, an anti-theft system, and a power front driver & passenger seat.
GMC ended sales of the first generation Envoy after the 2000 model year as the division adopted the name to replace the entire Jimmy SUV line for 2002.
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Common 2006 Gmc Envoy denali problems
The GMC Envoy Denali 2006 is known for several common problems that have been reported by its owners. Here are some of the most significant issues:
- Excessive Oil Consumption: According to CarComplaints.com, excessive oil consumption is one of the top three worst 2006 GMC Envoy problems. Many owners have reported that their vehicles consume a lot of oil, often requiring frequent top-ups. This issue can be caused by various factors, including worn-out piston rings or valve seals, which can lead to engine damage if not addressed promptly.
- DOD System Failure: The Displacement on Demand (DOD) system is a feature in the 5.3-liter V8 engines used in the GMC Envoy Denali 2006. This system shuts off half the cylinders when cruising at lower speeds to improve fuel efficiency. However, after about 150,000 miles, the lifters can fail, requiring a rebuild or replacement of the engine. This issue is often caused by low oil pressure or dirty oil, which can clog up the solenoids and pins holding the lifters in place.
- Rear Main Seal Leak: This is a common problem with the GMC Envoy Denali 2006, where the rear main seal leaks as the vehicle ages. This issue can be labor-intensive to fix, requiring the transmission to be pulled back to replace the seal. The repair can take up to 10 hours in a shop and cost at least $1,000.
- Throttle Body Failure: The throttle body can fail in the GMC Envoy Denali 2006, causing reduced engine power, no power during acceleration, and engine stalling. This issue can be caused by a dirty throttle body, which can be cleaned as a preventative maintenance measure. However, if cleaning the throttle body does not solve the problem, a new throttle body and wiring harness may be required.
- Failing Transmission: The 4L60E transmission used in the GMC Envoy Denali 2006 has a poor track record for reliability. However, it is cheaper to rebuild or replace than many other transmissions. This issue can cause the transmission to slip, especially in second gear, and result in a harsh shift from first to second gear.
- Electrical System Issues: The GMC Envoy Denali 2006 has been known to have electrical system issues, including problems with the ignition switch and fuse box. These issues can cause the engine to quit while driving and refuse to start, often requiring a tow to a dealership for repairs.
These are some of the most common problems reported by owners of the GMC Envoy Denali 2006. It is essential to address these issues promptly to avoid more significant problems and costly repairs in the future.
How many miles will a 2006 GMC Envoy last?
In terms of longevity, the GMC Envoy could easily last 150,000 to 400,000 miles, according to this forum for GM vehicle owners. Proper care and maintenance (which includes regular oil and fluid changes) is the way to go if you want to prolong your vehicle's life.
Is GMC Envoy a reliable Car?
GMC Envoy Reliability Problems
Envoy owners have made 398 complaints over 11 model years. Using our PainRank™ system we've ranked it 11th in overall reliability out of 15 GMC models , with real interior and fuel system concerns.
Why did GMC discontinue the Envoy?
Following low sales of the vehicle, the Envoy XUV was dropped from the model line for 2006.
What engine is in the 2006 GMC Envoy Denali?
5.3 L V82006 GMC Envoy Denali / Engine
How long will a 2006 GMC Envoy last?
In terms of longevity, the GMC Envoy could easily last 150,000 to 400,000 miles, according to this forum for GM vehicle owners. Proper care and maintenance (which includes regular oil and fluid changes) is the way to go if you want to prolong your vehicle's life.
Is GMC Envoy a reliable Car?
GMC Envoy Reliability Problems
Envoy owners have made 398 complaints over 11 model years. Using our PainRank™ system we've ranked it 11th in overall reliability out of 15 GMC models , with real interior and fuel system concerns.
Why did GMC discontinue the Envoy?
Following low sales of the vehicle, the Envoy XUV was dropped from the model line for 2006.
Why won't my 2006 GMC Envoy start?
The most common reasons a GMC Envoy won't start are a dead battery, an alternator problem, or failed starter.
2006 Gmc Envoy denali complaints
The NHTSA has received 0 complaints about various vehicle components related to the 2006 Gmc Envoy denali.
You can leave your car complaint via the special form below.
Additional sources
More sources of information about 2006 Gmc Envoy denali problems:
Common Problems on a GMC Envoy 5.3 V8 | 2003-2009 - YouTube
Nov 6, 2022 ... 43:11 · Go to channel · $925 IAA WIN!!! 2006 GMC Envoy XL Denali 4x4 5.3L V8 - Run and Drive?? Auto Auction Rebuilds•98K views · 12:02 · Go to ...
2006 GMC Envoy Problems and Complaints - 18 Issues
Problem with your 2006 GMC Envoy? Our list of 18 known complaints reported by owners can help you fix your 2006 GMC Envoy.
Reasons why you Should Buy a Used 5.3 GMC Envoy Xl - YouTube
Aug 5, 2022 ... GMC Envoy XL Comparison | 2004 vs 2006 ... Common Problems on a GMC Envoy 5.3 V8 | 2003-2009 ... 2006 GMC Envoy XL Denali 4x4 5.3L V8 - Run and ...
Opinions on this 2006 GMC ENVOY DENALI with 126,000 miles ...
Oct 16, 2022 ... ... Envoy (preferable Denali trim) Has some issues and is pretty dirty. Listed in Northeast US.
Problems with our GMC Envoy XL. After 12 years of ownership ...
Jan 15, 2018 ... This video talks about the current issues with out 2006 GMC Envoy XL Check out my video on 5 reasons to buy a used gmc envoy xl: ...
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