These are the 1946 Service Technical Bulletins

These are the 1947 Service Technical Bulletins

Here are the 1948 Service Techincal Bulletins (STB's). I created the index below to make it easy to find the correct one.

Here are the 1949 Service Techincal Bulletins (STB's). I created the index below to make it easy to find the correct one.

Here are some of the 1950 Service Techincal Bulletins (STB's). Hopefully the missing ones will fill in over time. I created the index below to make it easy to find the correct one.

Here are some of the 1951 Service Techincal Bulletins (STB's). I created the index below to make it easy to find the correct one.

Here are some of the 1952 Service Techincal Bulletins (STB's). I created the index below to make it easy to find the correct one.

Here is the complete set of 1953 Service Techincal Bulletins (STB's). I created the index below to make it easy to find the correct one.

Here are the Packard Service Technical Bulletins for 1954. The index below was created to make it easy to reference the ones that you may want to look at.

Here is the almost complete set of 1955 Service Technical Bulletins (STB's). I created the index below to make it easy to find the correct one. If you can fill in any of the missing ones please let me know.

Here is the complete set of 1956 Service Technical Bulletins (STB's). I created the index below to make it easy to find the correct one.

These are special Packard 'P' Service Letters that were sent out to S/P Dealers to address various service issues. These are equivalent to the Service Technical Bulletins (STBs) sent out by Packard in previous years.

This is the 1957- 1960 Studebaker-Packard Service Bulletins. While the majority of this information applies to 1957-1960 models, and are still several valuable pieces of information that apply to previous years (1956 and before). For example in Jan 1960 there is a note about a replacement relay for the 1956 PushButton transmission system.

These are special Studebaker-Packard 'SP' Service Letters that were sent out to S/P Dealers to address various service issues. These are equivalent to the Service Technical Bulletins (STBs) sent out by Packard in previous years.