Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2008 >> Mazdaspeed3 L4-2.3L Turbo >> Repair and Diagnosis >> Maintenance >> Tune-up and Engine Performance Checks >> Valve Clearance >> Specifications
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Valve Clearance: Specifications

Valve Clearance Specification

Standard valve clearance [Engine cold]
(2.0L and 2.3L without Turbo)

Note: The cylinder head and the camshaft caps are numbered to be reassembled in their original position correctly. When removed, keep the caps with the cylinder head they were removed from. Do not mix the caps.

IN: 0.22-0.28 mm (0.0087-0.0110 in)
EX: 0.27-0.33 mm (0.0107-0.0129 in)

Standard valve clearance [Engine cold]

Note: The camshaft caps are to be kept ordered for correct reassembly in their original positions. Do not mix the caps.

(2.3L with Turbo)
IN: 0.22-0.28 mm (0.0087-0.011 in)
EX: 0.27-0.33 mm (0.011-0.012 in)
pro multis · About Operation CHARM