people i have a 92 80 series with a 1HD-T. The turbo started making a howling noise the other day goin to work,
. i noticed a howling sound coming from the turbo under load and at the same time i loose all boost.......but it then creates boost again and all power comes back and the noise dissapears. WTF is happenin, i felt the compressor wheel for bearing movement etc but it is fine. this noise comes and goes which makes me think the waste gate is getting pinched/jamed during operation etc:?. Has anyone else had this problem before.....all info is appreciated.
cheers Dylan
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80 series turbo issues
Moderators: toaddog, Elmo, DUDELUX
80 series turbo issues
84 SINGLE CAB LUX , LOCKED, GEARED , CAGED, LONGED, 3RZ, 4 LINKED
92 1HDT 80, TWIN LOCKED, AS DAILY AND TOW BUS.
92 1HDT 80, TWIN LOCKED, AS DAILY AND TOW BUS.
Re: 80 series turbo issues
sounds like you could have a boost leak. check the hose from compressor to crossover pipe and check the gasket where the cross over pipes mounts to the manifold.
home brew cooling in progress
Re: 80 series turbo issues
x2 on the boost leak.
though check the turbo carefully for shaft play. I had the turbo on my 1hd-t explode due to exessive shaft play, the turbo disintegrated and bits went through the engine and killed it too.
mine had started making a howling noise occasionally then more frequently as boost reached its peak, but it wasn't losing boost.
though check the turbo carefully for shaft play. I had the turbo on my 1hd-t explode due to exessive shaft play, the turbo disintegrated and bits went through the engine and killed it too.
mine had started making a howling noise occasionally then more frequently as boost reached its peak, but it wasn't losing boost.
RN wrote:pussy is out, its the log for me... Thank you Jesus.
Re: 80 series turbo issues
sounds like your wastegate is cracking open before its spose to.
Check your linkage and actuator
Good luck !
Check your linkage and actuator
Good luck !
Re: 80 series turbo issues
It could possibly be sucking the inlet hose in mate, a boost leak doesnt come and go and wastegates either work or they dont,
Re: 80 series turbo issues
The noise to be concerned about is the out of balance scream or whistle that they can develop. Then it can be catastrophic like was mentioned. This comes louder with boost so its not your problem.
I did have a leak once that would only show after a certain amout of psi was in the system and that made a similar noise
I did have a leak once that would only show after a certain amout of psi was in the system and that made a similar noise
LX470 1HDFTE
Performance Direct Bolt On Turbos for: 1HDT/1HDFT/1HDFTE/12HT/13BT/1VDFTV/1KDFTV
Performance Direct Bolt On Turbos for: 1HDT/1HDFT/1HDFTE/12HT/13BT/1VDFTV/1KDFTV
Re: 80 series turbo issues
ok cheers for that guys. it hasnt done it in the last couple of days but will more than likely rear its head again soon. 
. im goin to take it off and get it recoed and highflowed at the same time so see what mr MTQ finds.
my truck still feels like its not getting full boost supply but gauage shows 12psi so play it as it lays i spose. will see what it is after i get it back and ill let yas know for futher reference.
. im goin to take it off and get it recoed and highflowed at the same time so see what mr MTQ finds. my truck still feels like its not getting full boost supply but gauage shows 12psi so play it as it lays i spose. will see what it is after i get it back and ill let yas know for futher reference.
84 SINGLE CAB LUX , LOCKED, GEARED , CAGED, LONGED, 3RZ, 4 LINKED
92 1HDT 80, TWIN LOCKED, AS DAILY AND TOW BUS.
92 1HDT 80, TWIN LOCKED, AS DAILY AND TOW BUS.
Re: 80 series turbo issues
This is probably a better Reco/exchange setup than what MTQ can offer.
http://www.outerlimits4x4.com/viewtopic ... 8&t=220316
http://www.outerlimits4x4.com/viewtopic ... 8&t=220316
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http://www.ontrack4wdclub.com/
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