1998 GMC L SERIES TSBs (28)

Bulletin:
98864306
Component:
106000 power train:axle assembly
Summary:
Comments about fluid leaking onto the ground near the front wheels or front engine area or leaking onto the surrounding components. *yc
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:
98030
Component:
150000 seat belts
Summary:
Special policy for safety belt guide cover. *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:
98863206
Component:
010000 steering
Summary:
Comments about reduced steering effort while driving. *yc
Bulletin:
98464102A
Component:
106200 power train:axle assembly:axle shaft
Summary:
Conditions with front propeller shaft cv boot torn or cracked. *yc
Bulletin:
867405
Component:
103400 power train:automatic transmission:lever and linkage:column shift
Summary:
Comments about a driveline leak or a vibration / noise when the vehicle is driven. *yc
Bulletin:
98030
Component:
150000 seat belts
Summary:
Some customers may comment about contacting the safety belt guide cover upon exiting the vehicle. *yc
Bulletin:
866503A
Component:
061000 engine and engine cooling:engine
Summary:
Subject regarding obd ii diagnostic trouble code (dtc) p1404 (reflash vcm). *yc
Bulletin:
990730013
Component:
980000 unknown or other
Summary:
Some customers may comment about the service engine soon light illuminating. *tt
Bulletin:
990138002
Component:
353600 equipment:air conditioner
Summary:
Some customers may comment on no a/c. *tt
Bulletin:
990604037
Component:
116200 electrical system:ignition:module
Summary:
Subject on on-board diagnostic (obd) system improvements. *mjs
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:
864306A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Fluid leak near front wheels or front engine area. yd
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:
000309001A
Component:
020000 suspension
Summary:
A boom noise inside the vehicle while driving at speeds ranging between 97 - 105 km/h (60 - 65 mph). *tt this bulletin is revised and replaced bulletin 00-03-09-001 dated 01/01/2000. *tt updated *eh
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:
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:
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:
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

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