Installation Instructions: B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY
B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY
- 034Motorsport B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose
- 2 Hose Clamps
- Hands (2) (Opposable thumbs are optional)
- Flathead Screwdriver or 7mm Hose Clamp Driver
- Phillips Screwdriver
- Flat Pliers or Hose Clamp Pliers
Step 1 – Pull the hood release latch inside the passenger compartment, then open the hood.
Step 2 – Observe the stock throttle body inlet tube in its natural habitat. Notice that the factory engine cover is kind of in the way. Unclip the engine cover and set it aside.
Step 3 – Use flathead screwdriver or hose clamp driver to loosen the stock hose clamps at the airbox and throttle body.
Step 4 – Unclip the PCV tube from the throttle body hose and remove the small vacuum hose from the 90 degree elbow in the throttle body boot using hose clamp pliers.
Step 5 – Preinstall the supplied clamps onto the 034Motorsport B8 Audi S5 4.2L FSI Throttle Body Inlet Hose.
Step 6 – Slip the B8 Audi S5 4.2L FSI Throttle Body Inlet Hose onto the throttle body first.
Step 7 – Slip the other side onto the MAF housing at the intake. The airbox can be moved around to aid installation.
Step 8 – Align the hose and tighten the hose clamps onto the MAF housing and throttle body. Clip in the PCV tube to the aluminum fitting on the new hose and reinstall the small vacuum hose using the factory spring clamp.
Step 9 – Reinstall the factory engine cover. You’re all done!