Volvo Penta 2002 marine diesel valve clearance adjustment

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Volvo recommends adjusting valve clearance on this engine every 50 hours of operation. The Service Manual specifies a clearance of 0.012 inches (0.305 mm) with the engine warm. You need a 1/2 inch and 13 mm wrench, a 24 mm or 15/16 inch socket, a stubby 1/4 inch blade screwdriver and 0.012 inch feeler gauge. Expendable parts are the valve cover gasket and bolt bushings.
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Опубликовано:

22 дек 2020

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Комментарии : 8

@boatMatthias 2 месяца назад

Thanks for sharing this tutorial. A 2002 owner..

@karlsitell 29 дней назад

Thanks for your effort. I will do this on my 2003 tomorrow (if I dare). I guess I will need a new gasket.

@wendellcrim8647 29 дней назад

Always good having a new gasket available. You won't need it if the installed gasket remains in one piece while removing the valve cover. Your 3 cylinder will have max compression at 120 degrees instead of 180 in my 2 cylinder. Have fun.

@alanmassey8002 13 дней назад

Valves can be set cold. You should be turning the engine over on the crank shaft nut as you are putting strain and wear on the fan belt and alternator bearing. There is also a decompression lever which allows you to turn the engine more easily.

@wendellcrim8647 13 дней назад

All good points. I was unable to get a wrench on the crank nut. After consulting a Volvo shop, they confirmed there is no decompression lever on the model I have. I searched all over the engine with out finding the lever and began wondering if my eyesite was failing.

@alanmassey8002 Месяц назад

There is a lever on the engine at the front which you turn that releases the compression so you can turn over engine easily while doing tappets. Would not advise using alternator nut as it could cause belt slippage and also putting strain on the belt.

@wendellcrim8647 Месяц назад

This model of the 2002 does not have that lever. Even though it is depicted in the manual, I couldn't find it. Called Volvo. They confirmed no decompression lever on this model.