Detroit Cylinder Leak bulletin is covered by this 3-page Detroit service bulletin, document 121 13. The extract identifies 121 13 and describes OTC 5609 or equivalent Cylinder Leakage Tester. This library reference keeps the document scope visible for workshop use and does not add specifications or repair steps that are not present in the source.
Official Detroit Cylinder Leak bulletin document details
| Brand | Detroit |
| Model coverage | DD13&15 / DD Service Bulletins / DD Service Bulletins / Electronics & TS Manual 2013 |
| System / Group | DD13&15 / DD Service Bulletins / DD Service Bulletins / Electronics & TS Manual 2013 |
| Publication no. | 121 13 |
| Year / Revision | January 2013 |
| Pages | 3 |
| File size | 0.5 MB |
| Format | |
| Language | English |
Document table of contents
- Cylinder Leak Down Test January 2013
- 121 13 document information
- OTC 5609 or equivalent Cylinder Leakage Tester
- Diagnostic checks and verification guidance
- Workshop service procedure notes
Applicable truck models
This file is cataloged by Detroit in the DD13&15 / DD Service Bulletins / DD Service Bulletins / Electronics & TS Manual 2013 group. The extract states Cylinder Leak Down Test January 2013. It does not provide a separate vehicle model roster in the sampled text, so this page does not extend coverage beyond the manufacturer document. Mechanics should confirm vehicle configuration and active faults before applying a diagnostic decision. For manufacturer information, visit Detroit official resources.
Who needs this Cylinder Leak bulletin manual
Technicians investigating 121 13 can use this Cylinder Leak bulletin reference to identify the bulletin and review its documented checks. Workshop owners can keep the 121 13 publication with the corresponding vehicle service records, then follow the source procedure and verify the repair as instructed.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download it.
Related manuals library
Software for this brand
Diagnostic software for the same brand as this manual, installed remotely on your own laptop.
Detroit Diesel Reports 6.3
Detroit Reprogramming Station (DDRS) 7.11
DDDL Backdoor Password: A Comprehensive Guide
