Technical Articles

Nissan Patrol TB42 Cylinder Head Detonation Damage: Tune Your LPG System!

Nissan Patrol TB42 Cylinder Head Detonation Dam...

AHS recently had contact from a customer who had purchase a Nissan Patrol TB42 cylinder head, and after fitting had a complaint of oil in the cooling system.  The cylinder...

Nissan Patrol TB42 Cylinder Head Detonation Dam...

AHS recently had contact from a customer who had purchase a Nissan Patrol TB42 cylinder head, and after fitting had a complaint of oil in the cooling system.  The cylinder...

Subaru EJ255 SOHC Cylinder Heads Dry Start, Camshaft Seizure!

Subaru EJ255 SOHC Cylinder Heads Dry Start, Cam...

A pair of Subaru EJ255 SOHC cylinder heads had been fully reconditioned in our production line where sold to a customer. The customer contacted us after fitting the cylinder head...

Subaru EJ255 SOHC Cylinder Heads Dry Start, Cam...

A pair of Subaru EJ255 SOHC cylinder heads had been fully reconditioned in our production line where sold to a customer. The customer contacted us after fitting the cylinder head...

Holden 1.8L Z18XER & F18D4 VVT Rattles

Holden 1.8L Z18XER & F18D4 VVT Rattles

2007 – 2010 Holden Astra AH 1.8L Z18XER2009 – 2016 Holden Cruze JG/JH 1.8L F18D4 All Head Services have had numerous occurrences where a customer has called after fitting a...

Holden 1.8L Z18XER & F18D4 VVT Rattles

2007 – 2010 Holden Astra AH 1.8L Z18XER2009 – 2016 Holden Cruze JG/JH 1.8L F18D4 All Head Services have had numerous occurrences where a customer has called after fitting a...

Ranger / BT50 2.5L & 3.0L TD: Oil Leak at Rear of the Head

Ranger / BT50 2.5L & 3.0L TD: Oil Leak at Rear ...

2006 – 2011 Ford Ranger 2.5L TD WL-C / 3.0L TD WE-C2006 – 2011 Mazda BT50 2.5L TD WLAT / 3.0L TD WEAT ConcernAll Head Services had a call from...

Ranger / BT50 2.5L & 3.0L TD: Oil Leak at Rear ...

2006 – 2011 Ford Ranger 2.5L TD WL-C / 3.0L TD WE-C2006 – 2011 Mazda BT50 2.5L TD WLAT / 3.0L TD WEAT ConcernAll Head Services had a call from...

Mitsubishi Pajero/Triton/Delica 4M40/ 4M41: Left Hand Thread Camshaft Bolts:

Mitsubishi Pajero/Triton/Delica 4M40/ 4M41: Lef...

1994 – 2018  Mitsubishi Pajero 2.8L / 3.2L 2006 – 2009 Mitsubishi Triton 3.2L 1995 – 2004 Mitsubishi Delica 2.8L   All Head Services has a recurring problem of customers...

Mitsubishi Pajero/Triton/Delica 4M40/ 4M41: Lef...

1994 – 2018  Mitsubishi Pajero 2.8L / 3.2L 2006 – 2009 Mitsubishi Triton 3.2L 1995 – 2004 Mitsubishi Delica 2.8L   All Head Services has a recurring problem of customers...

Holden 1.8L Ecotec: Head Gasket Orientation

Holden 1.8L Ecotec: Head Gasket Orientation

2009 – 2016 Holden Cruze 1.8L F18D4 2007 – 2010 Holden Astra AH 1.8L Z18XER 2001 – 2005 Holden Astra TS 1.8L Z18XER 2013 – 2015 Holden Trax TJ 1.8L...

Holden 1.8L Ecotec: Head Gasket Orientation

2009 – 2016 Holden Cruze 1.8L F18D4 2007 – 2010 Holden Astra AH 1.8L Z18XER 2001 – 2005 Holden Astra TS 1.8L Z18XER 2013 – 2015 Holden Trax TJ 1.8L...