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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Upstream O2







UPSTREAM O2





1. Apply anti-seize compound to the threaded portion of the O2 sensor.
2. Install the O2 sensor (1). Tighten to 50 Nm (37 ft. lbs.).
3. Connect the O2 sensor harness connector.
4. Install the engine cover. Align the engine cover retaining clips to the rubber mounts, and push down firmly to connect engine cover to rubber mounts.

NOTE: To ease the installation of the engine cover, apply a small amount of lubricant to the engine cover rubber mounts.

5. Connect the negative battery cable.