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There is no extraction tool to extract valve seats from cylinder head. What is the correct way to dismantle them to install new ones?

25 Mar '17, 02:07

March 25, 2017, 2:07 a.m.
KnowledgeBase's gravatar image



Answer:

Welding of valve to the valve seat is required in this case

  1. Cut the old valve from 2 sides to give enough space for welding

Cut old valve edges

  1. Choose correct welding rods about 2-2.5 mm so no damage done to cylinder head area close to seat

Weld valve to seat

  1. Weld the valve to the seat

Welded valve

  1. Knock out welded part by hitting the valve stem by hammer.

Knock out seat and valve

permanent link

25 Mar '17, 02:21

March 25, 2017, 2:21 a.m.
SeamenExchangeExpert's gravatar image


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