Forge Motorsport Atmospheric Dump Valve for Audi S4 B9 and Audi S5 B9

Forge Motorsport Atmospheric blow off valve for the Audi S4 B9 and Audi S5 B9. This product is a solenoid operated valve that integrates seamlessly with the OEM electronics resulting in absolutely no-fault codes, no check engine lights, and no detriment to the performance of the vehicle in any way. These valves, designed and manufactured by Forge are engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails which would effectively result in a boost leak. Forge valves use full billet alloy construction with a piston based internal design that provides significantly improved reliability, lightning fast response and will withstand additional tuning upgrades.

A recirculating valve replacement is also available. 1 x Solenoid, Bracket, and Screws. 1 x Blue Spring (Uprated).

1 x 2000mm Length of 4mm Vac Hose. 1 x Forge Keyring and Sticker.

Note that the models listed here have either had the part fitted by us or a customer or they are listed as being compatible on industry parts databases. Where it has not been directly fitted by Forge there will then be a separate May Also Fit tab where the make and model will also appear and which details our no-risk approach to purchasing this product, so it is worth checking there as well. Failure to supply this proof will result in your claim or enquiry being denied. Do not use aggressive (acidic) car cleaning products, particularly traffic film remover solutions or shampoos to clean your intercooler, radiator, or oil cooler. These are often found at car washes.

A light, warm, soapy solution (free of harsh acidic cleaning compounds) should be used to clean you cooler and thoroughly rinsed away. We recommend that you should inspect your product on a regular basis for bent and/or crushed fins. Any bent fins should be carefully straightened to allow ambient air to pass through the core face.

At the time of installing your Forge radiator, an approved coolant must be used and added to the coolant system. Be sure you never mix coolant and always use distilled water. If this is the case you will be contacted within 24 hours.

---