1989 GMC SUBURBAN Recalls (2)

Campaign:
93V016000 on 02/03/1993
Component:
Power train:automatic transmission
Manufactured:
11/30/1986 - 07/31/1992
Affected:
1,702,880
Defect:
Unanticipated heat in the transmission can force the transmission fluid out of the vent tube.
Consequence:
The vented transmission fluid can catch fire if exposedto a source of ignition.
Correction:
Install a longer transmission vent hose routed to the left side of the engine compartment of the vehicle.
Notes:
System: power train.vehicle description: light trucks with 5.0 l, 5.7 l, and 7.4 l engines and 4l60,4l60-e, and 3l80 automatic transmissions.

Campaign:
93V187000 on 11/28/1993
Component:
Seats
Manufactured:
07/31/1984 - 12/31/1990
Affected:
604,207
Defect:
The recliner mechanism and the seat frame may have foam and/or vinyl between them, creating a "soft" joint. this "soft" joint results in lower than specified bolt torque which leads to joint looseness, causing bolt fatigue and eventual bolt failure.
Consequence:
If bolt failure occurs to the driver's seat, it wouldallow the seat back to suddenly recline, and could result in loss of vehiclecontrol and a vehicle crash without prior warning.
Correction:
Dealers will remove the foam and/or vinyl from between the recliner mechanism and the seat frame "soft" joint and replace the recliner bolts.
Notes:
System: interior systems; seat tracks, anchors, and seats.vehicle description: vans and utility vehicles equipped with bucket seats withknob type recliner mechanisms.note: if your vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided within a reasonable time and freeof charge or the remedy does not correct the defect or noncompliance, pleasecontact the gmc service center at 1-313-456-4547 or the chevrolet service centerat 1-800-222-1020. also, please contact the national highway traffic safetyadministration's auto safety hotline at 1-800-424-9393.

1989 GMC SUBURBAN TSBs (2)

Bulletin:
376602A
Component:
063200 engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe
Summary:
new cast iron exhaust manifold and stainless steel gasket to correct engine noise condition. *tw
Bulletin:
990730016A
Component:
100000 power train
Summary:
Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt

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