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  1. #41
    Established Member Two Rings IowaA4's Avatar
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    Feb 24 2009
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    39102
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    Urbandale,IA

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    Thanks for the tips man

    - - - Updated - - -

    Thanks
    2013 S4

  2. #42
    Senior Member Three Rings ModItNow's Avatar
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    Mar 05 2015
    AZ Member #
    318779
    Location
    Napa, Ca

    Quote Originally Posted by IowaA4 View Post
    Hey guys ..Ive spoke to CTS and this is what they said :

    "
    Hi Sir,

    Thanks for your email, each one of our pulleys is machined in house from stainless steel, made to exacting tolerances, and checked with a go/no go gauge that we made based on snout dimensions of the OE supercharger. It looks like in the fourth photo the material inside the shaft was bunched up most likely due to being forced onto the snout near the end of the installation. This can happen if the pulley is not heated enough to slide onto the shaft correctly. These pulleys require a higher heat than some others, but it does ensure that when installed correctly there is no way they can fall off. An easy way to avoid this is to heat the pulley for an hour or more with a good oven, while cooling the snout on the charger with ice."

    The guy that installed this for me did mention that he had to use a rubber malet to get it on all the way so yeah...
    But big thumbs up t the people over at CTS .They came through and agreed to overnight me another pulley for $50 :))
    The guy that installed mine used a mallet to get it on all the way. I should have known it wasn't on correctly, shady!


    Sent from my iPhone using Audizine

  3. #43
    Established Member Two Rings A.Bruno6's Avatar
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    Jun 02 2015
    AZ Member #
    335644
    Location
    Ontario Canada

    CTS Supercharger Pulley Fell off..Help!

    I took 2 or 3 attempts heating it with a toaster oven sitting 2 ft away before realizing that little ****** won't ever get hot enough. This was the closest I got with the toaster oven... the pulley didn't quit make it the last mm or so.



    I then opted to using the oven in the house. Put the pulley in a ceramic dish at 425 for 1.5 hours. I then used a combination of my girlfriend and mother to run the dish out to me in the garage while I was waiting at the snout (with ice and compressed air for cooling). On delivery, I grabbed the pulley out of the dish and slid it on without any friction. Held it in place for like 5 minutes just to make sure that bitch wasn't moving.

    Not to jinx it 🤞🏼, but my CTS pulley is still on there over a year later, with no signs of movement or fraying of the belt


    Sent from my iPhone using Audizine
    EPL Stage 2

  4. #44
    Established Member Two Rings jmaddr's Avatar
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    Jun 19 2013
    AZ Member #
    117444
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    United States

    Sent from my iPhone using Tapatalk

  5. #45
    Established Member Two Rings IowaA4's Avatar
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    Feb 24 2009
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    Urbandale,IA

    Im trying it my self tomorrow .. Got a few tips from CTS and Guys over at EPL. So cross fingers everythig goes well
    2013 S4

  6. #46
    Veteran Member Four Rings gdawg'05a4's Avatar
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    May 03 2005
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    My Garage
    '17 Q7, '95 Audi 90 AAN Swap
    Location
    Boston

    I just installed the CTS pulley on my A6 yesterday. 4 attempts at just oven baking failed to get it on the snout completely. The toaster oven was right next to the car too. Tried 400 - 450 degrees for at least an hour each time. While waiting, I read that a lot of other CTS pulley install attempts had similar challenges and this pulley requires more heat.

    I was able to get it on finally on the 5th attempt. Heated for an hour at 450 again then hit the center of the pulley with a propane torch (the kind you use for copper pipes) for about 15-20 sec, holding the flame about 8-10 inches away making sure to do small circular motions to distribute the heat. The pulley fell on like butter and bottomed out so easy. The finish still looks brand new, no flaking or damage with the multiple attempts and torch.

    Good luck!
    '17 Q7 3.0T | Graphite Gray | Rock Gray || Prestige | Cold Weather | Tow
    '14 A6 3.0T | Daytona Gray | Black || Prestige | Cold Weather | Driver Assist | Rear Sunshades | 19" Sport
    '95 90 Quattro Sport MT5 | Pearl | Black || 20vT AAN swap

    Previous Cars:
    '12 S4 | '13 Q5 2.0T | '11 A4 2.0TQ | '07 A4 2.0TQ | '06 S4 25quattro | '05 A4 1.8TQ MT6

  7. #47
    Established Member Two Rings
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    Nov 27 2015
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    UK, West Berks

    With all this effort to change the supercharger pulley, why don't you guys just do the crank pulley instead?
    2015 monsoon grey S5 sportback (yes the one with 4 doors)
    - MRC stage 2 (189mm Vdamper/Fluidampr crank pulley)

  8. #48
    Veteran Member Four Rings bhvrdr's Avatar
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    Jul 21 2004
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    My Garage
    E350 4Matic; Camaro SS; e30 BMW, Toyota FJ
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    Quote Originally Posted by Dippy View Post
    With all this effort to change the supercharger pulley, why don't you guys just do the crank pulley instead?
    I did that and would recommend that route for anyone sticking with normal ratios. Now I am at a 200mm crank with stock upper but I may be experimenting with higher ratios so I need both an upper and lower.

    Mike
    2013 Audi S5 DSG
    Unitronic Stage 2++ ECU & TCU, KI 200mm Lower, Revo Charge Cooler, CTS Turbo Intake
    11.482 at 118.70mph - 97 octane - +465DA
    11.605 at 118.76mph - 93 octane - +544DA
    Gone:
    2016 A6 -- 2015 S4 -- 2009 A4 -- 2004 S4 -- 2006 A4 -- 2003 A4 -- 2000 A4

  9. #49
    Veteran Member Four Rings Vogz's Avatar
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    Jul 17 2010
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    61526
    My Garage
    996 Turbo
    Location
    Batavia, IL

    My AWE pulley went on first try after a little over an hour in toaster oven set to 450. Checked pulley surface temp with infrared temp gun. It's been on for 3 years and almost 30K miles. No issues.

    Highly recommend an infrared temp gun for anyone installing pulleys.
    2011 S4 Sprint Blue 6MT Ti - GIAC Stage 2 - Sachs XTend clutch - AWE exhaust - Roc Euro intake - Bilstein B12 suspension - strat short shifter
    12.83@107.3mph 1.85 60' (stock)
    12.24@112.62mph (stage 2 - 93 octane)

    2003 Porsche 911 Turbo - SpeedTech, Cobb, Bilstein, H&R and TPC goodies
    11.69@123mph 1.82 60' (RWD on street tires)

    2003 350Z @ 14.5psi (built and tuned myself) - SOLD
    10.96@127mph 1.58 60'

  10. #50
    Established Member Two Rings ChrisR14's Avatar
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    Sep 08 2015
    AZ Member #
    354193
    My Garage
    2009 VW MK6
    Location
    Germany

    My CTS went on at first try. Toaster oven maxed to about 250 degrees celsius. Shaft was iced with one can of ice spray. Engine was not yet cold at that moment.


    Sent from my iPhone using Audizine
    2014 Audi S5 3.0T STronic // Estorilblue
    VAG Coding and retrofit expert

  11. #51
    Established Member Two Rings IowaA4's Avatar
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    Urbandale,IA

    I am using temp gun this time.. What should the pulley temp be ?
    2013 S4

  12. #52
    Veteran Member Four Rings gdawg'05a4's Avatar
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    May 03 2005
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    My Garage
    '17 Q7, '95 Audi 90 AAN Swap
    Location
    Boston

    I believe the tipping point is ~375.
    '17 Q7 3.0T | Graphite Gray | Rock Gray || Prestige | Cold Weather | Tow
    '14 A6 3.0T | Daytona Gray | Black || Prestige | Cold Weather | Driver Assist | Rear Sunshades | 19" Sport
    '95 90 Quattro Sport MT5 | Pearl | Black || 20vT AAN swap

    Previous Cars:
    '12 S4 | '13 Q5 2.0T | '11 A4 2.0TQ | '07 A4 2.0TQ | '06 S4 25quattro | '05 A4 1.8TQ MT6

  13. #53
    Established Member Two Rings
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    Dec 21 2013
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    Canada

    Do you guys remove the entire front end or superchager to do this?
    2009 C300 sport - Stage 1 + C63 conversion
    2011 C63 AMG - Stock
    2012 535 M sport - Stage 2 + DP + exhaust
    2013 S4 - Stage 1 + intake + exhaust + CR15

  14. #54
    Veteran Member Four Rings Vogz's Avatar
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    996 Turbo
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    Batavia, IL

    Quote Originally Posted by snowmuch View Post
    Do you guys remove the entire front end or superchager to do this?
    Remove bumper and put front clip in "service mode" to pull the radiator/intercooler away from the supercharger pulley. There's a DIY somewhere. It's not hard at all.
    2011 S4 Sprint Blue 6MT Ti - GIAC Stage 2 - Sachs XTend clutch - AWE exhaust - Roc Euro intake - Bilstein B12 suspension - strat short shifter
    12.83@107.3mph 1.85 60' (stock)
    12.24@112.62mph (stage 2 - 93 octane)

    2003 Porsche 911 Turbo - SpeedTech, Cobb, Bilstein, H&R and TPC goodies
    11.69@123mph 1.82 60' (RWD on street tires)

    2003 350Z @ 14.5psi (built and tuned myself) - SOLD
    10.96@127mph 1.58 60'

  15. #55
    Established Member Two Rings
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    Nov 27 2015
    AZ Member #
    365028
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    UK, West Berks

    Quote Originally Posted by bhvrdr View Post
    I did that and would recommend that route for anyone sticking with normal ratios. Now I am at a 200mm crank with stock upper but I may be experimenting with higher ratios so I need both an upper and lower.

    Mike
    Why, when it is possible to reach the max rpm for the supercharger with oversize crank pulley alone?
    2015 monsoon grey S5 sportback (yes the one with 4 doors)
    - MRC stage 2 (189mm Vdamper/Fluidampr crank pulley)

  16. #56
    Veteran Member Four Rings bhvrdr's Avatar
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    Jul 21 2004
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    2873
    My Garage
    E350 4Matic; Camaro SS; e30 BMW, Toyota FJ
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    South Florida

    Quote Originally Posted by Dippy View Post
    Why, when it is possible to reach the max rpm for the supercharger with oversize crank pulley alone?
    Not sure how. I'm on a 200mm crank. Thats the biggest single piece crank i've seen. FD has a custom 206 ring I believe. I keep my max engine rpm limiter at 7k rpm. Thats what I want the engine redlining at. With my 200mm i'm only spinning the SC to 22krpm. I'm told this SC can spin to 24K all day long and with porting i'm told possibly more in the 25k range. Conceivably that would put me able to try all the way up to a 200/57 combo... again, assuming we can keep IATs in check. With killer chillers and now the possibility of new Bell SC intercooler cores, this may very well be possible. I know a couple folks are already spinning the blower using a 194/57 upwards of 7400rpm which is 25185rpm.

    Mike
    2013 Audi S5 DSG
    Unitronic Stage 2++ ECU & TCU, KI 200mm Lower, Revo Charge Cooler, CTS Turbo Intake
    11.482 at 118.70mph - 97 octane - +465DA
    11.605 at 118.76mph - 93 octane - +544DA
    Gone:
    2016 A6 -- 2015 S4 -- 2009 A4 -- 2004 S4 -- 2006 A4 -- 2003 A4 -- 2000 A4

  17. #57
    Established Member Two Rings IowaA4's Avatar
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    Feb 24 2009
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    Urbandale,IA



    Here we go..

    Sent from my SM-G935P using Audizine mobile app
    2013 S4

  18. #58
    Established Member Two Rings IowaA4's Avatar
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    Well first try at 450 for hour didn't go well.. Got stock right away as I try to slide it on

    Sent from my SM-G935P using Audizine mobile app
    2013 S4

  19. #59
    Veteran Member Three Rings Jflow23's Avatar
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    Apr 09 2007
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    17153
    My Garage
    2014 S4 2009 Q7
    Location
    St Johns, FL

    Quote Originally Posted by IowaA4 View Post


    Here we go..

    Sent from my SM-G935P using Audizine mobile app
    Use the broil setting, place the pulley on the highest rack...directly under the element. It took me multiple attempts...fell on after I swapped to top rack and broil. 20 minutes...

  20. #60
    Established Member Two Rings IowaA4's Avatar
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    Well fuck me... I don't think its on all the way again.. 😢

    Sent from my SM-G935P using Audizine mobile app
    2013 S4

  21. #61
    Established Member Two Rings IowaA4's Avatar
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    Urbandale,IA



    Lol I think I burned off the coating..

    But looking at the shaft.. I don't think its on all the way..


    Sent from my SM-G935P using Audizine mobile app
    2013 S4

  22. #62
    Active Member Three Rings FromRagsToS4's Avatar
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    Jan 23 2017
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    391410
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    Idaho

    I didn't want to mess up the finish by putting it on broil, so I made a little aluminum foil house for it and stuck it under the broiler. And it should be on all the way if you slid it on and felt the *clink* of it bottoming out.

  23. #63
    Established Member Two Rings IowaA4's Avatar
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    Yah it did clink.. Well I'm gonna go with it and hope it don't fall off again

    Sent from my SM-G935P using Audizine mobile app
    2013 S4

  24. #64
    Established Member Three Rings evil35r's Avatar
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    Mar 22 2016
    AZ Member #
    370642
    My Garage
    Rogue
    Location
    Ham central, VA

    Use canned air upside down! Once you freeze the snout with the pulley heated it will literally fall on.
    S4 13 EPL cts pulley stage 2 w/ DSG tune, ROC-EURO intake, custom downpipe back exhaust magnaflow res x-pipe, twin magnaflow resonators, magnaflow mufflers, ECS diff and tranny inserts, CR-15, VCDS mods, Snow Performance stage 2 meth kit.

  25. #65
    Active Member Three Rings FromRagsToS4's Avatar
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    Jan 23 2017
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    Idaho

    Quote Originally Posted by evil35r View Post
    Use canned air upside down! Once you freeze the snout with the pulley heated it will literally fall on.
    That's brilliant for those who dont have an air compressor and/or are too lazy to set theirs up!
    2014 S4 Premium Plus/Glacier White Metallic/6spd Manual/Sports Diff/Adaptive Damping Suspension/Black Napa Leather/19" Peelers/B&O Sound/MMI-Navi/Side Assist/Carbon Atlas Inlays

  26. #66
    Established Member Two Rings IowaA4's Avatar
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    Urbandale,IA

    Can you guys look at that last picture i posted and tell me if that looks right? The snout is not flush.
    2013 S4

  27. #67
    Established Member Two Rings
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    Sep 13 2015
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    North

    Quote Originally Posted by IowaA4 View Post
    The guy that installed this for me did mention that he had to use a rubber malet to get it on all the way so yeah...
    And the truth comes out. There's no using a rubber mallet if it doesn't go on. You have one shot, if it doesn't go on all the way you have to use the puller to pull it off and repeat the cycle. I can only image the banging it required to get that thing on there. lol

  28. #68
    Active Member Three Rings FromRagsToS4's Avatar
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    Jan 23 2017
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    Idaho

    The distance between the snout and the rim of the pulley isnt what is important. Its the distance between between the back of the pulley and the base of the snout. Yours actually looks about right based on what mine looks like and other pictures I've seen.
    2014 S4 Premium Plus/Glacier White Metallic/6spd Manual/Sports Diff/Adaptive Damping Suspension/Black Napa Leather/19" Peelers/B&O Sound/MMI-Navi/Side Assist/Carbon Atlas Inlays

  29. #69
    Established Member Two Rings
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    Spokane Valley, WA

    I have a CTS pulley on my car... I'd have to go take a picture real quick (which I can do before I go home and will upload. I heated my oven in the house @ 400 for an hour and put the pulley on aluminum foil/tray. I grabbed it and it slid right on with a solid /clink hitting all the way back. Almost immediately it was rock solid, it's a tight squeeze!

    Standby for a picture from my car in an hour or so (at work currently).

    -Steve
    2010 Audi S4 DSG Monsoon Grey; Daily; USP intake/Miltek non-res W/Black Oval tips; Stage 2 EPL/DSG Tune for now....
    Oldies-10 Blue A4 Stock,00 Nogaro Blue 6MT, 04 Moro Blue S4 6MT, 00 A4 Avant w/tip

  30. #70
    Veteran Member Four Rings gdawg'05a4's Avatar
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    May 03 2005
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    My Garage
    '17 Q7, '95 Audi 90 AAN Swap
    Location
    Boston

    My pulley sits flush with the snout. The last couple of tries it was close like IowaA4. Like I said, I had to heat it for 15-20 sec with the propane torch and it slid all the way back and bottomed out with that thud/clink.



    '17 Q7 3.0T | Graphite Gray | Rock Gray || Prestige | Cold Weather | Tow
    '14 A6 3.0T | Daytona Gray | Black || Prestige | Cold Weather | Driver Assist | Rear Sunshades | 19" Sport
    '95 90 Quattro Sport MT5 | Pearl | Black || 20vT AAN swap

    Previous Cars:
    '12 S4 | '13 Q5 2.0T | '11 A4 2.0TQ | '07 A4 2.0TQ | '06 S4 25quattro | '05 A4 1.8TQ MT6

  31. #71
    Established Member Two Rings IowaA4's Avatar
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    Urbandale,IA

    damn ..looking at yours mine definitely does not look its all the way on :(
    2013 S4

  32. #72
    Senior Member Three Rings jachien's Avatar
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    Nov 12 2012
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    Cerritos CA
    Items for Sale

    honestly, the toaster method sounded so ridiculous to me. I have a bernzomatic small propane torch laying around (you can get these from home depot for like less than $20. Multiple uses. great for starting bbq coals easily) to heat up the pulley and welders gloves to just pick it up and slide it on. This was during winter time while it was raining too. Torched it for maybe a good 5 minutes, making sure to evenly distribute flame, and picked it up and slid it on. I actually messed up and had it backwards, but i had heated it up enough so that i could pull it over and reslide it back on again. Sits flush. no discoloration.
    2013 B8.5 S5 - Dual Pulley 189mm/57mm. EPL E85 Dual Pulley/DSG flash. Autotech HPFP. APR B8 Heat Exchanger. Injen Intake. Deleted Mufflers. 034 Street Motor Mounts. 034 Driveline Mount Inserts. KW HAS + H&R F:20mm/R:25mm wheel spacers. S6 Brake Conversion

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