1998 CHEVROLET S SERIES TSBs (41)

Bulletin:
98837110
Component:
102000 power train:manual transmission
Summary:
Technicians may experience difficulty in removing the connectors from the park/neutral position switch, usually when trying to remove the switch during transmission service. *yc
Bulletin:
98776002
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Subject on accessory drive belt noise due to power steering pump pulley misalignment. *yc
Bulletin:
98861208
Component:
138000 visibility:defroster/defogger system
Summary:
Comments that the hvac blower fan runs continuously with ignition off. *yc
Bulletin:
98120
Component:
061000 engine and engine cooling:engine
Summary:
Some vehicles may exhibit a increased oil consumption. *yc
Bulletin:
98017
Component:
061000 engine and engine cooling:engine
Summary:
Some vehicles may exhibit increased oil consumption. *yc
Bulletin:
98053
Component:
022000 suspension:rear
Summary:
Some vehcles may experience rear axle oil level low. *yc
Bulletin:
98053
Component:
022000 suspension:rear
Summary:
Some vehicles exhibit an overheat condition of the rear axle oil, resulting in a noticeable
Bulletin:
866503A
Component:
061000 engine and engine cooling:engine
Summary:
Subject regarding obd ii diagnostic trouble code (dtc) p1404 (reflash vcm). *yc
Bulletin:
990842004
Component:
121000 exterior lighting:headlights
Summary:
Customers may comment on inoperative daytime runnng lamps (drl) on some models built between vin breakpoints wk247020 - wk258202. *tt
Bulletin:
990603004
Component:
110000 electrical system
Summary:
Customer may complain about horn sounding, no start due to water intrusion into accessory wiring junction block. *tt
Bulletin:
990730013
Component:
980000 unknown or other
Summary:
Some customers may comment about the service engine soon light illuminating. *tt
Bulletin:
990850014
Component:
221600 seats:front assembly:power adjust
Summary:
Concerns with driver / passenger seat adjuster switch bezel at seat will not stay fastened. *tt
Bulletin:
990603004A
Component:
110000 electrical system
Summary:
Some customers may comment about the horn sounding and a no start condition due to water intrusion into the accessory wiring junction block. *tt
Bulletin:
990604037
Component:
116200 electrical system:ignition:module
Summary:
Subject on on-board diagnostic (obd) system improvements. *mjs
Bulletin:
990850019
Component:
221600 seats:front assembly:power adjust
Summary:
Concerns that the driver or passenger front power seat forward and rearward function is inoperative. *tt
Bulletin:
990601020
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Vehicles may exhibit a knocking or grinding noise with the engine running. *tt
Bulletin:
990601020
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some customers may comment about a knocking or grinding noise with the engine running. *tt
Bulletin:
990730004A
Component:
103000 power train:automatic transmission
Summary:
A condition with a rusty transmission fluid level indicator / transmission oil filler tube. *tt
Bulletin:
99066
Component:
073200 fuel system, gasoline:fuel injection system:injectors
Summary:
Special policy adjustment covering the sequential central port fuel injector (scpi) failure condition. *tt
Bulletin:
876507A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Rough idle after start, when vehicle has sat overnight and poppets sticking.
Bulletin:
837110A
Component:
103000 power train:automatic transmission
Summary:
Park/neutral position switch connector cannot be removed. yd
Bulletin:
876521
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Slow cranking speed, extended cranking time, dtc p1626, hard starting.
Bulletin:
000604003
Component:
185000 vehicle speed control:cruise control
Summary:
Some customers may comment on rough idle after start up, and / or a service engine soon (ses) light illuminated. *tt
Bulletin:
990940004
Component:
220000 seats
Summary:
General motors began providing child restrain seat top tether hardware packages to customers in the united states who requested them. *tt
Bulletin:
99066A
Component:
185000 vehicle speed control:cruise control
Summary:
Some vehicles that are registered in california, equipped with a 4.3l, 5.0l or 5.7l engine and california emissions, may experience a service engine soon light, misfire, rough idle or hard start. *tt
Bulletin:
99066A
Component:
073200 fuel system, gasoline:fuel injection system:injectors
Summary:
Some vehicles may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build up on the sequential central port fuel injector (scpi) poppet valve(s). *tt
Bulletin:
99066B
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may experience a service engine soon light, misfire, rough idle or hard start. **mr
Bulletin:
000604014
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some customers may comment on hard, no, or slow start, backfire or kickback during crank / start, grinding or unusual noises during crank, diagnostic trouble code p0338. *tt
Bulletin:
000851001
Component:
135200 visibility:rearview mirrors/devices:exterior
Summary:
Some customers may comment that the black plastic housing around the outside rear view mirror turns chalky or is dull in color. *tt
Bulletin:
867117
Component:
103000 power train:automatic transmission
Summary:
Brief information regarding rusty transmission fluid level indicator. *tt
Bulletin:
866503
Component:
063000 engine and engine cooling:exhaust system
Summary:
Some vehicles may set a false obd ii with diagnostic trouble code p1404. *tt
Bulletin:
877169
Component:
103100 power train:automatic transmission:control module (tcm, pcm)
Summary:
Information pertaining to new transmission calibrations. *tt
Bulletin:
876506A
Component:
980000 unknown or other
Summary:
Some vehicles may exhbit a malfunction indicator lamp illumination and possibly a no-start condition with a p1621 and / or a p1336 diagnostic trouble code set, and various diagnostic trouble codes related to the theft deterrent system.
Bulletin:
98053
Component:
106000 power train:axle assembly
Summary:
Customer satisfaction campaign for pickup and utility model vehicles built with low levels of rear axle oil. *tt
Bulletin:
00148
Component:
980000 unknown or other
Summary:
Service engine soon light, misfire, rough idle, or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s). the deposit build-up may cause injector poppets to stick closed. *tt
Bulletin:
010863001
Component:
162810 structure:body:hood:hinge and attachments
Summary:
Subject on hood hinge rattle coming from either or both front corners of the instrument panel near the hood hinge areas for 1995 - 2002 pickup and utility models. *et
Bulletin:
010601030
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may comment on higher than expected engine oil consumption, and having to add oil between oil changes. *tt
Bulletin:
000604003A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some customers may comment on rough idle after start up, especially after setting overnight. *tt
Bulletin:
99066D
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may experience a service engine soon light, misfire, rough idle orhard start due to a deposit build-up on the sequential central port fuel inujector (scpi) poppet valve(s). *tt
Bulletin:
000601023A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Information used when diagnosing noise conditions such as engine rattle noise, spark knock at 2000 - 2500 rpm range, under a moderate to heavy load with a warmed up engine. *tt
Bulletin:
010601030A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may comment on higher than expected engine oil consumption. *tt

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