if it is binding. You should be able to pull the rod away from the actuator pot. It doesn't move much half an inch or so.

The wastegate is always (partially) opened. When boost builds up, the wastegate actuator opens the gate more to release pressure to prevent overboost. The BPC solenoid modulates the amount of air going into the actuator bellow to control boost level.

I'm guessing here, one thing I can think of is maybe the actuator rod was not adjusted properly by previous owner or mechanic after a repair job. The base boost level is currently set at wide open.

• turbo update, adam , Tue, 10 Oct 2000 14:52:18
  • want to thank you guys.., adam , Wed, 11 Oct 2000 12:59:03
  • Check all pipes for holes/leaks & bypass valve could be stuck opn, George D, Wed, 11 Oct 2000 08:55:33
    • Adam, as George said, check the turbo bypass valve..., TKC, Wed, 11 Oct 2000 09:07:52
  • Well, Steve C may have found your problem adam..., TKC, Tue, 10 Oct 2000 23:15:37
  • Now it's time to collect the facts and see..., TKC, Tue, 10 Oct 2000 16:17:48
    • It seems, adam , Tue, 10 Oct 2000 17:16:50
  • Does your BPC/APC solenoid buzz ? Have you tried..., TKC, Tue, 10 Oct 2000 15:08:32
    • Re: Does your BPC/APC solenoid buzz ? Have you tried..., adam , Tue, 10 Oct 2000 15:21:23
      • FAILED, adam , Tue, 10 Oct 2000 15:32:08
        • yes your wastegate may have failed, but...., steveC in BC, Tue, 10 Oct 2000 18:02:02
          • how much is too little resistence..., adam , Tue, 10 Oct 2000 20:37:01
            • uh oh...that's pretty weak..., steveC in BC, Tue, 10 Oct 2000 21:13:55
              • so replace the spring and hopefully all is well thanks n/m, adam , Tue, 10 Oct 2000 23:06:52
        • Seems like you are not pressurizing ..., TKC, Tue, 10 Oct 2000 15:48:13
          • i floored it..., adam , Tue, 10 Oct 2000 16:03:37
          • You can try moving the wastegate rod by hand and see.., TKC, Tue, 10 Oct 2000 16:02:12 <-- Viewing This Message
            • The rod appears to be..., adam , Tue, 10 Oct 2000 16:44:21
              • the range of motion under pressure is away from the actuator, steveC in BC, Tue, 10 Oct 2000 18:07:58
            • Re: You can try moving the wastegate rod by hand and see.., Roger, Tue, 10 Oct 2000 16:20:10
              • You don't need to change anything, just adjust the rod.., TKC, Tue, 10 Oct 2000 16:23:50
                • Re: You don't need to change anything, just adjust the rod.., Roger, Tue, 10 Oct 2000 16:27:54
                  • Roger, I would suggest you start with what Adam did..., TKC, Tue, 10 Oct 2000 23:20:20
                    • Re: Roger, I would suggest you start with what Adam did..., Roger, Wed, 11 Oct 2000 08:33:59
                      • Quite possible that when they did the motor rebuild..., TKC, Wed, 11 Oct 2000 09:05:51
                        • Re: Quite possible that when they did the motor rebuild..., Roger, Wed, 11 Oct 2000 09:56:15
                          • Probably nothing missing, just need to be re-adjusted..., TKC, Wed, 11 Oct 2000 10:39:05

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