* Multiple Variations: The Holden 186 engine was produced over many years with various modifications. Head bolt torque can vary significantly depending on the specific year, model, and even the type of head gasket used.
* Importance of Accuracy: Head bolt torque is critically important. Using the wrong torque can lead to:
* Head Gasket Failure: Insufficient torque can lead to leaks and overheating.
* Head Warping: Over-torquing can warp the cylinder head, resulting in expensive repairs.
* Consult a Service Manual: The most reliable source for this information is your Holden 186 engine's service manual. This manual will contain specific torque specifications for your engine.
Where to find a service manual:
* Online: Many online resources sell digital or physical copies of service manuals for various cars. You can search for "Holden 186 service manual" online.
* Local Parts Stores: Automotive parts stores may carry service manuals.
* Holden Dealerships: A Holden dealership can likely access the service manual for your specific vehicle.
Safety Note: Always use the correct torque specifications for your engine. Using the wrong torque can lead to serious damage and potentially dangerous situations.
