1998 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
1998 · All trims · All engines
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1998 Chevrolet Tahoe has 9 documented known issues, with 7 rated critical. The most serious are In-tank fuel pump failure and pigtail connector meltdown ($400-$850 repair), Brake line and fuel line rust-through corrosion (Salt Belt) ($600-$1,600 repair), Lower intake manifold gasket coolant/vacuum leak (5.7L Vortec) ($400-$900 repair), 4L60E transmission loss of reverse (cracked sun shell / worn lo-reverse clutches) ($1,500-$2,800 repair), 4L60E Automatic Transmission 3-4 Clutch Failure (Loss of 3rd/4th Gear) ($1,800-$3,500 repair), CSFI 'Spider' Central Port Injector / Poppet Valve Failure (5.7L Vortec) ($400-$900 repair) and CSFI "spider" poppet fuel injector failure (special coverage 99066F) ($500-$1,100 repair). Across all issues with published estimates, repair costs range from $60 to $3,500. DIY maintenance guides at au7o.io.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
General Motors, LLC (GM) is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL, and 2009-2011 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500 and Sierra 3500 vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
General Motors, LLC (GM) is recalling certain 2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Zone A." Additionally GM is recalling certain 2011-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, Yukon XL and 2011-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AZ, AR, DE, DC, IL, IN, KS, KY, MD, MO, NE, NV, NJ, NM, NC, OH, OK, PA, TN, VA, and WV or "Zone B." Additionally, GM is recalling certain 2010-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL and 2010-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY or "Zone C." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
General Motors, LLC (GM) is recalling certain 2013 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, GM is recalling certain 2010 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL vehicles originally sold, or ever registered in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." Additionally, GM is recalling certain 2009 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C."
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
General Motors, LLC (GM) is recalling certain 2009 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." Additionally, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
ELECTRICAL SYSTEM
Monroe Truck Equipment (Monroe) is recalling certain model year 2006, 2008 and 2009 Chevrolet C7500 vehicles, 2005-2006 Chevrolet Tahoe vehicles, and 2009 Ford F-350, and F-450 vehicles, equipped with Sure Power-brand battery equalizers or DC-DC converters containing a particular epoxy sealing, aka 'potting', compound. The specific potting compound used in the subject products for insulation was found to be capable of conducting electricity after being exposed to heat.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1998 Chevrolet Tahoe has 9 documented issues. The most frequently reported are: In-tank fuel pump failure and pigtail connector meltdown, Brake line and fuel line rust-through corrosion (Salt Belt), Lower intake manifold gasket coolant/vacuum leak (5.7L Vortec). Of these, 7 are rated critical and should be addressed promptly.
The 1998 Chevrolet Tahoe has 9 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 7 issues are rated critical: In-tank fuel pump failure and pigtail connector meltdown and Brake line and fuel line rust-through corrosion (Salt Belt) and Lower intake manifold gasket coolant/vacuum leak (5.7L Vortec) and 4L60E transmission loss of reverse (cracked sun shell / worn lo-reverse clutches) and 4L60E Automatic Transmission 3-4 Clutch Failure (Loss of 3rd/4th Gear) and CSFI 'Spider' Central Port Injector / Poppet Valve Failure (5.7L Vortec) and CSFI "spider" poppet fuel injector failure (special coverage 99066F). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Chevrolet Tahoe issues range from $60 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, In-tank fuel pump failure and pigtail connector meltdown, typically costs $400-$850 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The in-tank electric fuel pump on the GMT400 Tahoe is a common wear-out item, often failing around/after 100,000 miles. Continuous-duty operation, chronic low-fuel driving (which reduces pump cooling), and tank sediment clogging the sock filter all shorten pump life. A frequently… Repairs typically run $400-$850. Severity: high.
The steel brake and fuel lines on GMT400 Tahoes corrode and rupture, especially in road-salt states. Brake lines rust from the outside in and can burst suddenly, producing a sinking pedal and severe loss of stopping power, frequently with no warning light. NHTSA received ~890 bra… Repairs typically run $600-$1,600. Severity: high.
The 1996-1999 5.7L Vortec (L31) and 5.0L Vortec (L30) used a plastic-carrier composite lower intake manifold gasket that degrades and fails, typically between 60,000-120,000 miles. Failures commonly occur at the coolant ports and near the valley/distributor area, letting coolant… Repairs typically run $400-$900. Severity: high.
The 4L60E automatic behind the 5.7L is prone to losing reverse (and sometimes 2nd) as it ages. The classic root cause is the reaction sun shell ("sunshell") cracking or stripping its splines, along with worn lo-reverse clutches. Slipping typically appears first in reverse and wor… Repairs typically run $1,500-$2,800. Severity: high.
The 4L60E 4-speed automatic behind the Vortec V8s is the single most common major failure on high-mileage Tahoes. The 3-4 clutch pack is the known weak point: its friction plates burn up, and the truck suddenly slips or drops out of 3rd and 4th gear (RPMs flare with no accelerati… Repairs typically run $1,800-$3,500. Severity: high.
The 1996-2000 5.7L Vortec (L31) uses a Central Sequential Fuel Injection (CSFI) 'spider' assembly: one central housing feeds six nylon poppet spray nozzles via tubes. The poppet valves gum up with carbon and either stick open (raw fuel dumps, rich condition, hard hot/cold startin… Repairs typically run $400-$900. Severity: high.
The 5.7L, 5.0L and 4.3L Vortec engines used a Central Sequential Fuel Injection (CSFI) "spider" assembly with nylon fuel tubes ending in spring-loaded poppet nozzles inside the intake. The poppets clog with carbon or leak/stick open, causing raw fuel intrusion, hard starting/floo… Repairs typically run $500-$1,100. Severity: high.
The 1996-1999 Vortec's distributor sits nearly vertical, and its ventilation design allows moisture and condensation to accumulate inside the cap. This causes corrosion, carbon tracking, and cracking of the cap and rotor, producing intermittent misfires and stalling, especially i… Repairs typically run $60-$250. Severity: medium.
Vortec V8 Tahoes are well known for lower intake manifold gasket leaks, most often at the driver-side rear corner coolant passages. Dex-Cool (orange) coolant is hard on these gaskets, softening/distorting them and eroding the aluminum sealing surface, allowing coolant to weep ext… Repairs typically run $700-$1,100. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
