1998 Gmc Z-71 problems
The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. Taking its name from the top trim level from the Chevrolet C/K series, the Silverado is offered as a series of full-size pickup trucks, chassis cab trucks, and medium-duty trucks. The fourth generation of the model line was introduced for the 2019 model year.
The Chevrolet Silverado shares mechanical commonality with the identically related GMC Sierra; GMC ended the use of the C/K nomenclature a model generation prior to Chevrolet. In Mexico, high-trim level versions of the Silverado use the Chevrolet Cheyenne name (not to be confused with the 2003 concept). Competing against the Ford F-Series, Ram Pickup, Toyota Tundra, and Nissan Titan, the Silverado is among the best-selling vehicles in the United States, having sold over 12 million trucks since its introduction in 1998 as a 1999 model year.
History
The Silverado nameplate made its debut for the 1975 model year, becoming the top trim level on all Chevrolet C/K trucks, slotted above Custom Deluxe, Scottsdale, and Cheyenne. For the 1968 model year (seven years before the Silverado), GMC C/K trucks used variations of the Sierra name (Sierra, Sierra Classic, Sierra Grande, and High Sierra). Even after the C/K series officially ended, GM still uses the CK and the CC in their current model codes, to denote a two-wheel drive (CC), and four-wheel drive (CK).
For the 1988 GMT400 model architecture, Chevrolet retained the C/K model nomenclature, with GMC branding its full-size line as Sierras. While sharing the same body and chassis, the model chronology of the Silverado and Sierra are different, with five generations of the Sierra, while four of the Silverado.
In 2018, at the NTEA Work Truck Show in Indianapolis, Indiana, Chevrolet unveiled the first medium-duty Silverado, expanding the model line to a 4500HD, 5500HD, and 6500HD chassis cab. Largely the successor to the 2003–2009 GMT560 chassis, the medium-duty trucks are exclusive to Chevrolet, with no plans for an equivalent GMC version. Instead, Navistar International (now partnering with GM) would sell the medium-duty trucks as a rebadged counterpart, called the CV. This is in fact a very similar nod to how the Avalanche did not have a GMC Yukon–based equivalent, but instead, Cadillac would take its place as the former's rebadged counterpart, the Escalade EXT.
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Common 1998 Gmc Z-71 problems
Based on the complaints from owners of the GMC Z-71 1998, several common problems have been identified. Here is a detailed list of these issues:
- 4WD Actuator Failure: Owners have reported issues with the 4WD actuator failing to engage properly, leading to difficulties in using the 4WD system. Symptoms include the 4WD not locking in, even after replacing fuses and the actuator itself. Testing the actuator by checking for ignition voltage and ground can help diagnose this problem.
- Transmission Problems: Complaints regarding transmission problems have been noted, such as the transmission working harder than normal, slipping into neutral, or making unusual noises like slipping or whining. These issues can affect the smooth operation of the vehicle, especially when shifting gears.
- Starter Issues: Some owners have experienced starting problems related to the starter and solenoid. Symptoms include hearing spinning but no engagement with the flywheel when turning the key. Replacing the solenoid and starter may temporarily resolve the issue, but recurring starting problems have been reported, indicating potential electrical issues.
- Knock Sensor Malfunction: The knock sensor, located under the intake, has been a common problem. While drivability might not be affected, a check engine light with a knock sensor code is a typical symptom. Accessing and replacing the knock sensor can address this issue.
- Wheel Bearing Failure: Wheel bearing problems have been reported, manifesting as humming or growling noises while driving, especially when turning the wheel. Additionally, ABS activation at slow speeds due to rust pushing the sensor away from the wheel bearing has been noted. Cleaning the area or replacing the hub can resolve this issue.
- Tailgate Handle Seizure: Owners have encountered tailgate handle seizure, preventing the tailgate from opening or closing properly. This issue can be addressed by accessing the rods behind the trim bezel, freeing them up, and ensuring proper functionality of the tailgate handle.
By addressing these common problems reported by GMC Z-71 1998 owners, individuals can better understand and potentially resolve issues that may arise with this vehicle model.
What are the most problematic Silverado years?
The 2008 model year competes with the 2014 model year as one of the worst ever produced. Due to its frequent engine problems and overuse of oil, which was repair that cost owners over $2,700 to fix, this problem continued onward from the 2007 into the 2009 model years.
What is the Z71 package in GMC?
The Z71 Package is an optional upgrade to add to your Silverado 1500 to enhance the pickup's off road capabilities. The Z71 package is Chevy's signature off-road package. The upgrade is a popular upgrade to many trucks, like the Silverado and Colorado. However, the Z71 package is not exclusive to trucks.
What motor is in a 1998 Chevy 1500 Z71?
5.7L V-8 / 255 HP / 330 ft.
How many miles does a Chevy Z71 last?
With a well-maintained unit, the Silverado can easily reach 200,000 to 250,000 miles, with many trucks reaching 300,000 miles with little to no issues. Discussions over the web confirm the Silverado's potential for a long lifespan.
Is GMC better?
GMC vans and trucks came with improved suspension and transmission compared to Chevy trucks used more for daily commuting. To this day, GMC trucks still have stronger braking systems, transmission, wheel axles, and suspension compared to their Chevy counterparts.
What are the trim levels on a 1971 GMC truck?
From 1967 to 1971, GMC Action-Line pickup trucks were offered in three trim lines. Deluxe served as a standard trim, an upgraded Custom trim was offered, with Super Custom serving as top-of-the-line trim. For 1972, the trim line underwent a revision and was expanded from three to four.
What is AZ 71 truck?
What is a Z71 truck? The Z71 is a chassis package and is a designated off-road vehicle. Off-road vehicles tend to offer more flexibility, as they are effective in many terrains. Here are a few features you can expect from an all-terrain (off-road) vehicle: Off-road suspension with Rancho Shocks.
What is the difference between a 71 72 Chevy truck?
1971 goes all-in on the egg crate grille design, pasting the Chevy logo in the middle and banishing the horizontal bar. Parking lights migrate to the bumper, while a black frame is drawn around the grille itself. 1972 deletes the black grille line, but maintains the status quo elsewhere in terms of exterior design.
1998 Gmc Z-71 car problems categorized by type of issue
After analyzing all complaints sent to the NHTSA and researching popular Gmc Z-71 problems, we found that the most common problems with these 2023 model year vehicles are:
- Service brakes problems
- Hydraulic problems
- Visibility problems
- Steering problems
The graph below shows statistics for all 1998 Gmc Z-71 vehicle components and the number of complaints received.
1998 Gmc Z-71 complaints
The NHTSA has received 4 complaints about various vehicle components related to the 1998 Gmc Z-71.
SERVICE BRAKES, HYDRAULIC PROBLEM
- Date Of Incident: 2004-09-21
- VIN: 1GTEK14R6W2
- Components: SERVICE BRAKES, HYDRAULIC
- Summary: DT: THE CALLER'S VEHICLE SAYS WAS SLOWING DOWN ANTI LOCK BRAKES KICKED IN. THERE WAS A NHTSA RECALL 05V379000 ON THIS MODEL FOR OTHER YEARS, BUT NOT FOR 1998 MODEL YEAR. DEALER HAS NOT BEEN CONTACTED YET. MANUFACTURER SAID THEY WOULD FIX IT, BUT THEY CHANGED THEIR MIND ON FIXING IT FOR FREE BECAUSE IT WAS NOT RECALLED. THEY SAID TO GET A DIAGNOSTIC TEST AND THEY MIGHT PAY FOR PART OF THE REPAIR. THE CALLER SAID HE COULD GET IT FIXED CHEAPER THAN THE OFFER GMC MADE.*AK
VISIBILITY PROBLEM
- Date Of Incident: 2004-04-21
- VIN: 2GCEK19R2W1
- Components: VISIBILITY
- Summary: WINDSHIELD WIPERS WORK ONLY OCCCASIONALY. HAVE TO RAISE HOOD AND WIGGLE THE WIRES AND SOMETIMES BUMP THE MOTOR TO GET THEM STARTED. THEY WILL ALSO SPEED UP AND OR SLOW DOWN ON THEIR OWN.*AK
SERVICE BRAKES, HYDRAULIC PROBLEM
- Date Of Incident: 1999-06-23
- VIN: 2GTEK19R3W1
- Components: SERVICE BRAKES, HYDRAULIC
- Summary: WHEN APPLYING THE BRAKES, DRIVER COULD NOT STOP THE TRUCK, TRUCK TAKEN TO DEALERSHIP, THE POWER VACCUM BRAKE BOOSTER WAS REPLACED, NO BRAKES AGAIN, MASTER CYLINDER REPLACED AT 60,024. CJ
STEERING PROBLEM
- Date Of Incident: 1999-01-01
- VIN: 2GTEK19R3W1
- Components: STEERING
- Summary: TRUCK TO VEERED OFF ROAD INTO A DITCH, NO CONTROL IN STEERING, NO FURTHER PROBLEMS WITH STEERING UNTIL 10/99, CODE SENSOR ON STEERING REPLACED. CJ
Additional sources
More sources of information about 1998 Gmc Z-71 problems:
Problems with 2000 Silverado Z71? | Chevy Silverado and GMC ...
Jul 23, 2015 ... I'm new to the forum, so wish I had known this was available back when I had my other Chevy truck (1998 1500 Cheyenne, a retired Forest Service ...
Just picked up this truck for cheap, any common problems with these ...
Jan 23, 2020 ... Just picked up this truck for cheap, any common problems with these I should watch out for? 1998 k1500 Silverado.
1998 Chevy Silverado ABS Problems: Q&A on Lumply Brakes ...
Sep 2, 2008 ... I have a 1998 chevy 1500 z71 silverado truck with abs problem ... This is a common problem with this vehicle. ... 1995-1999 GMC Sierra (Old Style) ...
P0300 code on 1998 Z71 - Chevrolet Forum - Chevy Enthusiasts ...
Jan 22, 2010 ... I'm thinking the intake gasket may be leaking, seems like a common problem on the Vortec 5.7's and that would lead to the lean condition you ...
Common problems on a 98 Chevy 1500? | Pirate 4x4
Jun 9, 2003 ... 2-piece compressor housing leaks freon. Lost an exhaust manifold donut after I pulled the pipe looking for a drain plug for the torque converter ...
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