1999 GMC W SERIES TSBs (22)

Bulletin:
020730009
Component:
103000 power train:automatic transmission
Summary:
Subject regarding aisin automatic transmission flase diagnostic trouble code 11 set. *jg
Bulletin:
020730007
Component:
980000 unknown or other
Summary:
Subject regarding at oil temp light on with diagnostic trouble code 15 set. *tt
Bulletin:
020730025A
Component:
103000 power train:automatic transmission
Summary:
Harsh shifting, delayed upshifts, possible check trans lamp illuminated, possible diagnostic trouble code 21 stored in tcm memory. *tt
Bulletin:
020730025
Component:
103000 power train:automatic transmission
Summary:
Subject regarding harsh shifting, delayed upshifts, possible check trans lamp illuminated, possible diagnostic trouble code 21 stored in the transmission control module (tcm) memory. *tt
Bulletin:
030604002
Component:
061000 engine and engine cooling:engine
Summary:
Vehicle no-start in extreme cold. *tt
Bulletin:
030730015
Component:
100000 power train
Summary:
Release of new tools for service: j 37228 - oil pan seal cutter, j 41736 - installer (rear output shaft seal) and dt 46717 - rear output shaft seal remover. *tt
Bulletin:
020730025B
Component:
103000 power train:automatic transmission
Summary:
Harsh shifting, delayed upshifts with possible check trans lamp illuminated, possible diagnostic trouble code (dtc) 21 set. to include 2004 models. *tt
Bulletin:
030604042
Component:
073000 fuel system, gasoline:fuel injection system
Summary:
Proper positioning of fuel injection pump primer handle after use. *tt
Bulletin:
030694001
Component:
061000 engine and engine cooling:engine
Summary:
Engine oil leak at vacuum pump oil supply pipe. *tt
Bulletin:
020844002A
Component:
350000 equipment
Summary:
Clarion radio exchange program and audio system troubleshooting. 1995-96 chevrolet w6-7hv; 1995-98 chevrolet w4-5; 1997-2004 chevrolet f-model; 1999-2004 chevrolet w series; 1999-2004 chevrolet wt5500 series; 1995-96 gmc w6-7hv; 1995-98 gm
Bulletin:
030730035
Component:
103000 power train:automatic transmission
Summary:
Replacement of output flange nut when servicing transmission. also includes 2004 models. *tt
Bulletin:
030730050
Component:
103000 power train:automatic transmission
Summary:
Approved aisin automatic transmission on-vehicle repairs. 2004 models included. *tt
Bulletin:
030604066
Component:
061000 engine and engine cooling:engine
Summary:
Throttle position sensor replacement procedure. *tt
Bulletin:
030604002A
Component:
061000 engine and engine cooling:engine
Summary:
Vehicle no-start in extreme cold. *tt
Bulletin:
030730060
Component:
103000 power train:automatic transmission
Summary:
Automatic transmission oil cooler flushing on certain medium duty tilt cab models and commercial models including model year 2004. *tt
Bulletin:
030604063
Component:
061000 engine and engine cooling:engine
Summary:
Mi-tics injection pump exchange program/warranty guidelines effective october 1, 2003. *tt
Bulletin:
040693001
Component:
061320 engine and engine cooling:engine:other fuel types:turbo-charger
Summary:
Information on isuzu diesel engine turbocharger diagnostics. also includes 2005 isuzu n-series and chevrolet and gmc w-series. *mj
Bulletin:
040730008
Component:
103000 power train:automatic transmission
Summary:
Aisin automatic transmission fluid service reminder. 2005 isuzu npr/nqr included. *tt
Bulletin:
010604048
Component:
061000 engine and engine cooling:engine
Summary:
Availability of new fuel injection pump oil supply pipe for replacement after removal. *tt
Bulletin:
IB-13-E-001
Component:
021244 suspension:front:springs:leaf spring assembly:u-bolt, leaf spring to axle
Summary:
Isuzu: mainenance and lubrication reminder of the front axle kingpin. this is important for the steering system. *kb
Bulletin:
IB-13-E-002
Component:
021800 suspension:front:king pin
Summary:
Isuzu: installation of a three bond 1215 part is recommended when installing the kingpin sealing plug. *kb
Bulletin:
16NA260
Component:
353400 equipment:electrical:radio/tape deck/cd etc.
Summary:
This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibr

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