Kia Optima Hybrid Owner's Manual Quiz
Engine Mechanical System

Exhaust Manifold Repair Procedures

In this manual: Engine Mechanical System
General Information — 4Engine Mechanical System — 50Engine Electrical System — 20Emission Control System — 30Engine Control System/Fuel System — 84Automatic Transmission — 98Drive Shaft and Axle — 15Suspension System — 36Steering — 12Restraints — 50Brake System — 38Body (Interior and Exterior) — 54Body Electrical System — 233Heating, Ventilation, and Air Conditioning — 57
10steps
~65min
3/5difficulty
1special tools
0102030405064N·mlb·ft
Tightening torque found on this page
Done 0 of 10

Removal and Installation

  1. Remove the engine cover.
  2. Disconnect the negative battery cable.

    Tightening torque: 4.0 ~ 6 N·m

  3. Disconnect the oxygen sensor connectors (A).
  4. Remove the front muffler (A).

    Tightening torque: 39.2 ~ 59 N·m

  5. Using the SST (09392-2H100) (A), remove the front oxygen sensor (B) and remove the exhaust manifold heat protector (C). Tightening torque: Oxygen sensor: 39.2 ~ 49 N·m Heat protector bolts: 7.8 ~ 11.8 N·m
  6. Remove the driveshaft heat shield (A).
  7. Remove the exhaust manifold support (A). Tightening torque: M8 bolts: 18.6 ~ 28 N·m M10 bolts: 51.9 ~ 57.8 N·m (5.3 ~ 5.9 kgf·m, 38.3 ~ 42.6 lbf·ft)
  8. Remove the engine mount and the camshaft position sensor cover (A).
  9. Remove the exhaust manifold (A) and gasket (B).

    Tightening torque 49.0 ~ 54 N·m
    When installing, replace the gasket with a new one.
    When installing the exhaust manifold, tighten the nuts to the preliminary torque, then tighten the nuts to the specified torque in the sequence shown.
  10. Installation is the reverse of removal.

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.