TSB PI1394B — Cadillac, Chevrolet, GMC, Pontiac and Saturn Service bulletin
PI1394B is a service bulletin on file with NHTSA for 28 Cadillac, Chevrolet, GMC, Pontiac and Saturn models, 2000–2004 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This PI bulletin advises the technician on the proper way to install the pistons in an engine.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PI1394B names
Every document filed under PI1394B
| Document ID | Filed | Type |
|---|---|---|
| PI1394B | January 12, 2024 | Service bulletin |
What PI1394B covers
Engine, Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB PI1394B?
PI1394B is a service bulletin filed with NHTSA by Cadillac, Chevrolet, GMC, Pontiac and Saturn, covering 28 Cadillac, Chevrolet, GMC, Pontiac and Saturn models across the 2000–2004 model years. NHTSA's summary reads: This PI bulletin advises the technician on the proper way to install the pistons in an engine.
Which vehicles does PI1394B cover?
NHTSA's file names Cadillac CTS (2003–2004); Cadillac Escalade (2000–2002, 2004); Cadillac SRX (2004); Chevrolet Avalanche (2002); Chevrolet Aveo (2004); Chevrolet Blazer (2000–2004); Chevrolet Camaro (2000–2002); Chevrolet Cobalt (2000, 2002); Chevrolet Colorado (2004); Chevrolet Corvette (2000–2004), and 18 more vehicles listed on this page. 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 PI1394B a recall, and is the repair free?
No. PI1394B 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 PI1394B?
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 PI1394B, 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 PI1394B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.