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BMW Head Bolt Thread Problems

BMW Head Bolt Thread Problems

There is a run of 6 cylinder BMW engines causing mechanics and owners all sorts of grief when it comes to repairing cylinder heads and replacing head gaskets. The 6 cylinder BMW engines affected...

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Camshaft Scissor / Preload Gears

Camshaft Scissor / Preload Gears

The scissor gear on a camshaft is designed to reduce the free play between the camshafts and eliminate any knocking noise by ensuring constant contact is being made between two mating gears. ...

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NISSAN YD25DDTi

NISSAN YD25DDTi

There are an increasing number of reports of lower timing chain failures in Australian released Nissan YD25DDTi engines. The primary (lower) timing chain and gears are a simplex (single row) design,...

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