Bad wastegate? car wont boost over 10 psi
#1
Bad wastegate? car wont boost over 10 psi
Hey guys, so i blew my exhaust manifold gasket the other night and just replaced it today.
After going for a test drive i notice the car is super loud in the engine bay around wastegate and is slower than **** only reading 10psi on the gauge and truly doesnt even feel like that.
Im using the cheap ebay 4 bolt wastegate from xs power and only had one issue with it sticking open before cause of a casting burr jamming the valve but now it seems like maybe my wastegate is messed up in some other way.
I re check my ic piping couplers like ten times and tightened it all up, still no luck.
What are the symptoms of a bad wastegate? Im wondering if my diaphragm is ripped
After going for a test drive i notice the car is super loud in the engine bay around wastegate and is slower than **** only reading 10psi on the gauge and truly doesnt even feel like that.
Im using the cheap ebay 4 bolt wastegate from xs power and only had one issue with it sticking open before cause of a casting burr jamming the valve but now it seems like maybe my wastegate is messed up in some other way.
I re check my ic piping couplers like ten times and tightened it all up, still no luck.
What are the symptoms of a bad wastegate? Im wondering if my diaphragm is ripped
#2
Driver
iTrader: (6)
Join Date: Mar 2012
Location: ca
Posts: 175
Likes: 0
Received 0 Likes
on
0 Posts
Hey guys, so i blew my exhaust manifold gasket the other night and just replaced it today.
After going for a test drive i notice the car is super loud in the engine bay around wastegate and is slower than **** only reading 10psi on the gauge and truly doesnt even feel like that.
Im using the cheap ebay 4 bolt wastegate from xs power and only had one issue with it sticking open before cause of a casting burr jamming the valve but now it seems like maybe my wastegate is messed up in some other way.
I re check my ic piping couplers like ten times and tightened it all up, still no luck.
What are the symptoms of a bad wastegate? Im wondering if my diaphragm is ripped
After going for a test drive i notice the car is super loud in the engine bay around wastegate and is slower than **** only reading 10psi on the gauge and truly doesnt even feel like that.
Im using the cheap ebay 4 bolt wastegate from xs power and only had one issue with it sticking open before cause of a casting burr jamming the valve but now it seems like maybe my wastegate is messed up in some other way.
I re check my ic piping couplers like ten times and tightened it all up, still no luck.
What are the symptoms of a bad wastegate? Im wondering if my diaphragm is ripped
#5
Pole Position
iTrader: (6)
sounds like you may have a leak coming from somewhere. The reaso you only hear it when your wot is because all the air is getting pushed out. when your cruising air is still leaking out but not to the point where you can here it. I would make sure all the bolts are tighten from changing out the gasket. Also do a smoke test and you can see where the leak is coming from.
#6
hey guys, so applied vacuum to the wastegate and it seemed to not hold any pressure at all. Not sure if it was the old beat vacuum pump though.
I ended up taking the wastegate off and taking it apart and everything looked in order, BUT one thing i noticed right away was that the spring wasnt hard to compress compared to past times. Is it possible the spring wore out?
I ended up taking the wastegate off and taking it apart and everything looked in order, BUT one thing i noticed right away was that the spring wasnt hard to compress compared to past times. Is it possible the spring wore out?
Trending Topics
#8
Driver School Candidate
Join Date: Sep 2012
Location: TN
Posts: 23
Likes: 0
Received 0 Likes
on
0 Posts
I had a fake DriftMotion Tial 46 that needed replacing in 2012. The wastegate started relaxing prematurely, and resulted in low boost that came in late. I'll never use another Chinese wastegate again.
Just my personal experience.
Just my personal experience.
#12
Yeah will probably go with a tial, whats peoples general solution going from a 4 bolt wastgate to a 2 bolt or vband?
Wow! great contribution! It was the original WG that came with the xs power kit and served for a little more than 10k miles. I can get em for around 60 a piece, that being said even if i wanted to buy 3 of em and use em for 10k each its still cheaper than a tial and likely you will have to service a tial wastegate after 30k miles.
Wow! great contribution! It was the original WG that came with the xs power kit and served for a little more than 10k miles. I can get em for around 60 a piece, that being said even if i wanted to buy 3 of em and use em for 10k each its still cheaper than a tial and likely you will have to service a tial wastegate after 30k miles.
#13
Lexus Test Driver
iTrader: (44)
Join Date: Jan 2007
Location: Maryland /Germantown
Posts: 5,139
Likes: 0
Received 7 Likes
on
7 Posts
There is an adopter you can buy to go from the 4 bolt style to the V band or you just chop the 4 bolt flange off and weld the tial v band on it.
BL sells that flange or you can make your own if have the tools and materials.
Tial will last more than 30k miles for sure.
I would do a leak down & compression text first and hopefully you didn't damage your engine.
gl
BL sells that flange or you can make your own if have the tools and materials.
Tial will last more than 30k miles for sure.
I would do a leak down & compression text first and hopefully you didn't damage your engine.
gl
#14
There is an adopter you can buy to go from the 4 bolt style to the V band or you just chop the 4 bolt flange off and weld the tial v band on it.
BL sells that flange or you can make your own if have the tools and materials.
Tial will last more than 30k miles for sure.
I would do a leak down & compression text first and hopefully you didn't damage your engine.
gl
BL sells that flange or you can make your own if have the tools and materials.
Tial will last more than 30k miles for sure.
I would do a leak down & compression text first and hopefully you didn't damage your engine.
gl
Out here in las vegas things that are supposed to last really dont cause of the heat so i wouldnt expect anything like a wastegate to last much more than 30k name brand or not. But who knows, lets hope i can find a good tial that will last that long, if not i really wont be surprised
point is for the price of a new tial you could like like 8 off brand wastegates, Not to say im not buying a tial but figured id point that out.