Petrol fuel injection

Removing and installing fuel injectors

~2min read
01020304050107N·mlb·ft
Tightening torque found on this page

Removal is described for the 1.6 L engine. Observe the notes for the 1.8 / 2.0 L engines at the end of this section.

Removal, 1.6 L engine
  • Remove upper intake manifold section, see section "Cylinder head removal", page 37.

Ausbau 1,6-l-motor

  • Unbolt 2 fuel rail bolts -arrows-.

Ausbau 1,6-l-motor

  • Unbolt lower intake manifold from cylinder head -

Note: remove intake manifold complete with fuel rail and injectors from cylinder head. The injectors are inserted into the intake manifold.
  • Disconnect vacuum line from fuel pressure regulator.

  • Warning: fire hazard, no smoking. The fuel system is under pressure. Catch escaping fuel with a rag. Unbolt fuel supply and fuel return lines from fuel rail.
  • Pull fuel rail complete with injectors upward out of cylinder head.

  • Pull retaining clips -8- off to the side and remove injectors -3-, similar to illustration T-2253 below.

Installation
Einbau

  • Lightly coat O-rings -1- with petroleum jelly or SAE 90 gear oil.

  • Press fuel rail with injectors evenly into intake manifold and slide retaining clips on from the side.

Note: when inserting the injectors, take care not to damage the O-rings -1-. Replace defective O-rings, observing the position of sealing ring -2-. Lightly coat sealing rings with petroleum jelly or gear oil only before inserting.
  • Attach fuel rail to intake manifold with 2 bolts, tightened only snug to 10 N·m.

  • Connect fuel supply and fuel return lines to fuel rail.

  • Connect vacuum line to fuel pressure regulator.

  • Connect connectors to fuel injectors.

  • Bolt intake manifold to cylinder head evenly with new gasket to 30 N·m.

  • Install upper intake manifold section, see section "Cylinder head installation", page 37.

Special notes for 1.8 / 2.0 L engines
  • The intake manifold does not need to be removed beforehand.

Speziell 1,8-/2,0-l-motoren

  • Warning: fire hazard, no smoking. The fuel system is under pressure. Catch escaping fuel with a rag. Unbolt fuel supply -1- and fuel return -2- lines from fuel rail.

  • Disconnect vacuum line -3- from fuel pressure regulator.

  • Unbolt fuel rail with 2 bolts -arrows-.

  • Pull fuel rail complete with injectors upward out of cylinder head.

  • 1.8 L engines: pull injectors out of fuel rail.

    The injectors are only inserted and can be pulled out.

Speziell 1,8-/2,0-l-motoren

  • 2.0 L engine: pull retaining clips -8- off to the side and remove injectors -3-. If necessary, remove fuel pressure regulator -2-; to do so, remove clip -9-.

Test yourself

A quick Fiat Bravo quiz: every answer comes with an explanation and a link to the manual page.