Wastegate Pics? Anyone Got One?
09-12-2003, 07:21 AM
#1
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Thread Starter
Join Date: Sep 2002
Location: Dubuque, IA
Posts: 258
I am having a boost issue that started this week and I think it may be related to my wastegate. For the past month I have been running 12-10-12, then this week for some reason I can't build past 7-5-7psi, unless I go to 6-7K RPMS then it slowly builds up to 10-11psi. I have silicon couplers and new silicon lines and double checked all them already. I am using a HKS EVC EZ boost controller, and it doesn't matter if I turn it off or how high up I crank it.
Anyone have any pictures of the stock wastegate? I plan to crawl under there tonight to see if the door is stuck open, but I need something to compare it to for reference. If that's not the problem, then I will try to bypass my boost controller, but I don't think that's causing this.
Any input or pics? Thanks.
Anyone have any pictures of the stock wastegate? I plan to crawl under there tonight to see if the door is stuck open, but I need something to compare it to for reference. If that's not the problem, then I will try to bypass my boost controller, but I don't think that's causing this.
Any input or pics? Thanks.
09-12-2003, 07:43 AM
#2
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Join Date: Jun 2002
Location: La Plata, Maryland
Posts: 9,725
The wastegate is internal on the twins. You can't see it.
Possible that it is stuck I would check all the acctuating rods and maybe the wastegate solonoid on the front of the UIM. Make sure that you check the small hose between the Y pipe and the Charge relief valve as well..
Possible that it is stuck I would check all the acctuating rods and maybe the wastegate solonoid on the front of the UIM. Make sure that you check the small hose between the Y pipe and the Charge relief valve as well..
09-12-2003, 07:49 AM
#3
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Join Date: Sep 2002
Location: Dubuque, IA
Posts: 258
Fd3BOOST, thanks for the nice picture. That will help alot. I didn't check the small hose between the Y-pipe and the Charge Relief valve yet. I know it's still a stock hose since I have never replaced it. Do they commonly go bad?
I guess as far as the wastegate goes, I heard that a clip can fall off and cause the door to stay open?? Where on that diagram would I look for that? Thanks.
I guess as far as the wastegate goes, I heard that a clip can fall off and cause the door to stay open?? Where on that diagram would I look for that? Thanks.
09-12-2003, 08:12 AM
#4
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Join Date: Jun 2002
Location: La Plata, Maryland
Posts: 9,725
Originally Posted by bricke' date='Sep 12 2003, 04:49 AM
Fd3BOOST, thanks for the nice picture. That will help alot. I didn't check the small hose between the Y-pipe and the Charge Relief valve yet. I know it's still a stock hose since I have never replaced it. Do they commonly go bad?
I guess as far as the wastegate goes, I heard that a clip can fall off and cause the door to stay open?? Where on that diagram would I look for that? Thanks.
I guess as far as the wastegate goes, I heard that a clip can fall off and cause the door to stay open?? Where on that diagram would I look for that? Thanks.
So it's worth looking at.
The clip would be a small (1/16") "C" clip on the bottom of the wastegate actuating rod .
Look at the turbos, if there are any rod's dangling then thats your problem. There are only three rods. the Wastegate,Precontrol, and the Turbo Control.
09-12-2003, 06:02 PM
#10
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Join Date: Jun 2002
Location: La Plata, Maryland
Posts: 9,725
Originally Posted by bricke' date='Sep 12 2003, 02:59 PM
I just got home from work and am going to look at it as soon as the car cools off. I will let you know what I find out. Thanks again.
My weekend was all planned out to until I saw the new forecast last night. We were supposed t be sunny and 70 all weekend here in the DC Metro area now its 70 and raining all weekend.
