TSB 98033 — Pontiac Service bulletin

98033 is a service bulletin on file with NHTSA for the Pontiac Grand Prix, 1993 model years, filed and re-filed as 3 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. VOLUNTARY EMISSION CAMPAIGN INVOLVING THE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE REPLACEMENT AND, CONVERTIBLE ONLY, PROM REPLACEMENT.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

3Documents filed
1Vehicle named
1Model year

Vehicles and model years 98033 names

VehicleModel years
Pontiac Grand Prix 1993

Every document filed under 98033

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
98033 November 10, 1998 Service bulletin
98033 October 19, 1998 Service bulletin
98033 October 1, 1998 Service bulletin

What 98033 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Pontiac Grand Prix TSB years TSB lookup by model

Questions buyers ask

What is TSB 98033?

98033 is a service bulletin filed with NHTSA by Pontiac, covering the Pontiac Grand Prix across the 1993 model years. NHTSA's summary reads: VOLUNTARY EMISSION CAMPAIGN INVOLVING THE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE REPLACEMENT AND, CONVERTIBLE ONLY, PROM REPLACEMENT.

Which vehicles does 98033 cover?

NHTSA's file names Pontiac Grand Prix (1993). 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 98033 a recall, and is the repair free?

No. 98033 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 98033?

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 98033, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 98033. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.