Home › Infiniti G35 › Plenum spacer

G35 Plenum spacer

Why do it

Tools you'll need

• Socket set
• Screwdrivers
• Torque wrench
• Socket set
• Screwdrivers
• Torque wrench

Starting out? See our budget tool list.

Parts to buy

• Z1 VQ35DE plenum spacer (coupe) For the VQ35DE.Fits 2003–2007 · coupe only · RWD only
• Z1 VQ35DE plenum spacer (sedan) For the VQ35DE.Fits 2003–2006 · sedan only · RWD only

Double-check fitment before buying. We may earn a commission when you buy through these links, at no extra cost to you.

Steps

1. Prepare

   • Disconnect the battery and clear the top of the engine.
   ▶ Watch this step (Z1 on a 2003 G35) (1:34–2:35)

2. Remove the upper plenum

   • Undo the hoses and bolts, and lift it off.
   ▶ Watch this step (2:35–4:37)

3. Fit the spacer

   • Set the spacer in with its gaskets.
   ▶ Watch this step (4:37–5:32)

4. Secure the plenum

   • Bolt the plenum on the spacer.
   ▶ Watch this step (5:32–7:05)

5. Put it back

   • Reconnect everything and start the car.
   ▶ Watch this step (7:05–8:14)

6. Prepare

   • Disconnect the battery and clear the top of the engine.
   ▶ Watch this step (Z1 on a 2003 G35) (1:34–2:35)

7. Remove the upper plenum

   • Undo the hoses and bolts, and lift it off.
   ▶ Watch this step (2:35–4:37)

8. Fit the spacer

   • Set the spacer in with its gaskets.
   ▶ Watch this step (4:37–5:32)

9. Secure the plenum

   • Bolt the plenum on the spacer.
   ▶ Watch this step (5:32–7:05)

10. Put it back

    • Reconnect everything and start the car.
    ▶ Watch this step (7:05–8:14)

How to know it worked

• The car idles smoothly with no leaks.
• The car idles smoothly with no leaks.

Follow your part's instructions and your service manual's torque specs.