# This CAT 345C Couldn't Keep Working Like This! We Got to Work on the Engine

> Video: A Caterpillar 345C excavator leaking oil from behind the flywheel: removing the silencer, hydraulic pump and flywheel, a loose repair sleeve on the crankshaft, fitting the seal, sealing through-threads and checking valve clearance.

[▶ This CAT 345C Couldn't Keep Working Like This! We Got to Work on the Engine](https://www.youtube.com/watch?v=IzouiNTe8AQ)

A Caterpillar 345C excavator leaking oil from behind the flywheel: removing the silencer, hydraulic pump and flywheel, a loose repair sleeve on the crankshaft, fitting the seal, sealing through-threads and checking valve clearance.

[**Read the full repair report →**](https://wibako.com/about-us/news/847-this-cat-345c-couldn-t-keep-working-like-this-replacing-the-rear-crankshaft-seal)

Published: 2026-09-04

---

Source: https://wibako.com/about-us/video/846-this-cat-345c-couldn-t-keep-working-like-this-we-got-to-work-on-the-engine
Contact: +48338704200, biuro@wibako.pl