Volkswagen Workshop Service and Repair Manuals > Polo Mk4 > Engine | 4 - Cyl. injection engine (4-valve, rolling rockers) | Engine cylinder head, valve gear | Head - disassemble and assemble | Valve seats - grind

Valve command shaft seals - replace > < Intake valve seat: grind

Exhaust valve seat: grind

a
b
c
Z
α
β
g

= Ø 19.5 mm
= maximum allowable grinding specification
= max. 1,8 ... 2.0 mm
= Head lower edge
= 45° Valve seating angle
= 30° Upper correction angle
= 60° Lower correction angle

Engine
4 - Cyl. injection engine (4-valve, rolling rockers)
Engine cylinder head, valve gear / Head - disassemble and assemble / lve_seats_grind/">Valve seats - grind
Exhaust valve seat: grind

Valve command shaft seals - replace > < Intake valve seat: grind

Volkswagen Workshop Service and Repair Manuals

Polo Mk4

Engine 4 - Cyl. injection engine (4-valve, rolling rockers) Engine cylinder head, valve gear / Head - disassemble and assemble / lve_seats_grind/">Valve seats - grind Exhaust valve seat: grind

Engine 4 - Cyl. injection engine (4-valve, rolling rockers) Engine cylinder head, valve gear / Head - disassemble and assemble / lve_seats_grind/">Valve seats - grind Exhaust valve seat: grind

Engine
4 - Cyl. injection engine (4-valve, rolling rockers)
Engine cylinder head, valve gear / Head - disassemble and assemble / lve_seats_grind/">Valve seats - grind
Exhaust valve seat: grind

Engine
4 - Cyl. injection engine (4-valve, rolling rockers)
Engine cylinder head, valve gear / Head - disassemble and assemble / lve_seats_grind/">Valve seats - grind
Exhaust valve seat: grind