TSB PIP5339A — Chevrolet and GMC Service bulletin
PIP5339A is a service bulletin on file with NHTSA for 2 Chevrolet and GMC models, 1998–1999 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIP5339A names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 1998, 1999 |
| GMC Sierra 1500 | 1998, 1999 |
Every document filed under PIP5339A
| Document ID | Filed | Type |
|---|---|---|
| PIP5339A | April 4, 2019 | Service bulletin |
What PIP5339A covers
Fuel system — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB PIP5339A?
PIP5339A is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 1998–1999 model years. NHTSA's summary reads: This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.
Which vehicles does PIP5339A cover?
NHTSA's file names Chevrolet Silverado 1500 (1998–1999); GMC Sierra 1500 (1998–1999). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIP5339A a recall, and is the repair free?
No. PIP5339A is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIP5339A?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIP5339A, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIP5339A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.