Operation CHARM: Car repair manuals for everyone.
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)

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Removal








1GR-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR: REMOVAL

REMOVAL

1. REMOVE CYLINDER HEAD SUB-ASSEMBLY Removal
2. DISCONNECT HEATER WATER INLET HOSE A





(a) Disconnect the heater water inlet hose A.
3. REMOVE WATER OUTLET PIPE NO.1





(a) Remove the 4 wire harness clamps [A].
(b) Remove the 3 bolts [B] and the water outlet pipe.
4. REMOVE KNOCK SENSOR





(a) Disconnect the 2 knock sensor connectors.
(b) Remove the 2 bolts and the 2 knock sensors.