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Timing belts and timing chains

Timing belt replacement

Wet timing belt replacement

Timing chain setting -
​Shown on Peugeot EP6 engine

How to solve rattling noise problem from chain tensioner

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Sludge and carbon buildups on cylinder heads

How to decarbonize intake valves on a direct injection engine, without cylinder head removal.

How to desludge a cylinder head without removing it and use an engine flush to complete the job.

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Diagnosing and replacing head gaskets

Blown head gasket diagnostic

Head gasket replacement

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Camshaft driven injection pumps

How to replace the HPFP - High pressure fuel pumps driven by camshafts

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Emissions control

Canister valve replacement

Pressure sensor (atmospheric and turbo charged) replacement

Replacing the cylinder head cover

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Catalytic converter​

Replacing a clogged catalytic converter

Diagnosing a clogged catalytic converter

O2 sensor replacement

Dacia / Renault

Peugeot / Citroën

See also...

Filters, Cooling and Turbos

Brakes and clutches

Suspension, links and steering rack

Engine rebuild

Car electrical and engine ignition