842650 - Subaru Turbo Blanket (FA Engines)

Subaru WRX 2014 - 20202021

Congratulations on your purchase of the COBB Tuning Turbo Blanket! The following instructions will assist you through the installation process. Please read them BEFORE beginning the install to familiarize yourself with the steps and tools needed. If you feel you cannot properly perform this installation, we HIGHLY recommend you take the vehicle to a qualified and experienced automotive technician.

Table of Contents

Parts List

• Turbo Blanket
• Safety Wire

Tools Needed

Sockets

3/8"

• 3/8" ratchet

• 3/8" 12" extension

• 3/8" 6" extension

• 3/8" 10mm socket

• 3/8" 12mm socket 

• 3/8" 14mm socket 

Hand Tools

• Phillips head screwdriver
• Flathead screwdriver

• Needlenose pliers

Stock Component Removal

Turbo Blanket Installation

1. Take the L shaped end of the blanket and poke it through the larger gap near the wastegate actuator arm.  This should allow you to get the wiring rivet to the other side of the arm more easily.
   
       
   
   
   
2. Wrap the rest of the blanket around the turbo making sure to keep it clear of the oil mounting point.
   
               
   
   
   
3. Use your safety wire through the gap near the flange to connect the center section side of the blanket together.  Twist to get the points secure but not tight yet.
   
        
   
   
   
4. Now wire the other side, making sure it doesn't go over the exhaust flange which will cause issues when you go to refit the jpipe
   
       
   
   
   
5. Reinstall the heatshield back in place.  It may require some squishing to get it to fit down on top of the turbo blanket.
   
       
   
   
   
6. Bolt the manifold back into the vehicle.
   
       
   
   
   
7. Making sure your gasket is back in place on the oil tank, bolt it in loosely, making sure to have the bolt removed from the heat shields so they can slide over eachother (The upper should be on top(.
   
       
   
   
   
8. Slowly tighten down the bolts to get the heatshield further up.
   
   
   
9. Once the oil tank is tightened, supporting the bottom of the turbo with a jack, pull down on the heat shield in order to get the bolt holes to line up.  (This part can be a huge pain, stay patient!)
   
           
   
   
   
10. Once you've got that in place, reinstall the rest of the components in the reverse order of removal leaving off both the plastic and alumnium underbody panels for now.
    
    
11. When you're happy that everything is reinstalled and tight, remove the brown fuse found between the blue fuse and the black relay.  This should be for your fuel injector driver.  (This may vary, so make sure to check the bottom side of your fuse cover to verify relay position)
    
        
    
    
12. Crank the car 3 times for a few seconds each in order to ensure oil is reaching the turbo.  Now replace the relay.
    
    
13. Hop on your Accessport and clear the check engine light your car likely now has from the missing relay (It may not come on until after the vehicle was started the first time).
    
    
14. Start things up and check for any leaks either from the oil, coolant, or exhaust.  Make sure if the car makes any odd sounds or rattles to turn it off and double check everything.  It will idle funky if the code for the fuel injector relay being missing is active so make sure to clear it!
    
    
15. In some cases you may want to bleed the cooling system, follow appropriate safety precuations when doing so to the factory specification.
    
    
16. Double-check your fluid levels with the car hot (Never open the cooling system with the car hot or running!!!!)
    
    
    

Important Notes

While not flammable on their own, if any sort of flammable chemical gets into the fiber of the turbo blanket, it may be possible for a fire to occur.  It is recommended to replace the turbo blanket if ANY flammable chemicals, liquids, or materials get on the blanket.

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