Pentastar ERB engine
The Pentastar ERB engine is fitted to 1 generation(s): Jeep Grand Cherokee.
Common problems and what to check
Engine: Chrysler Pentastar 3.6 V6
- rocker arm roller and camshaft wear (ticking)
- oil filter housing and heat exchanger leaks
What to check when buying: engine ticking at idle; oil traces in the block valley.
Tip: Manufacturer-approved oil, without extending intervals.