Welcome to the North American Subaru Impreza Owners Club Friday July 11, 2014
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Here you can view your subscribed threads, work with private messages and edit your profile and preferences Home Registration is free! Visit the NASIOC Store NASIOC Rules Search Find other members Frequently Asked Questions Calendar Archive NASIOC Upgrade Garage Logout
Go Back   NASIOC > NASIOC Technical > Pre-2002 Factory Turbo Powertrain

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads.
Reply
 
Thread Tools Display Modes
Old 10-06-2008, 01:34 AM   #1
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default my 92 ss turbo overheating

ok so my 92 legacy ss is over heating, heres a list of symptoms and things ive done:


remember i also have a td04 swap(if that helps) it only has 7k miles and im having compressor surge

-new headgaskets (heads were not warped)

-runs at average temp and out of no where strikes straight to hot

-put a new radiator cap on (16 lbs)

-cooling fans work fine

- the car over heats in about 10 minutes after reaching normal temp. but it doesnt matter whether i go really fast or really slow, the temp just spikes randomly

-new thermostat (old one was fine)

-when it starts to overheat if i put it in nuetral and rev up the motor alot it instantly cools back to average temp then spikes again

- temp is hot but i can put my hand on the motor and it really isnt that hot at all

-the pressure is really high

- no white smoke or water coming from exhaust

-blurped the system many times but doesnt work

- heater works good until it overheats then its cool air but when switched to a/c its hot even if the temp is really hot

-the water pump was new from when i baught it, id say its less than a year old, oh and the car only overheats when driving it, it will not overheat if i just idle and even rev it up..

with the cap off heres what happens: on start up coolant splashes out, then kind of swashes around for a little, and if the temp is at average little bubbles come out and the coolant will overflow slightly, then when you shut it off a big amount splashes out
* Registered users of the site do not see these ads.
rice or die is offline   Reply With Quote
Old 10-06-2008, 09:31 PM   #2
willyp
Scooby Newbie
 
Member#: 146561
Join Date: Apr 2007
Chapter/Region: NESIC
Location: vermont
Vehicle:
many 3 legacy turbos
white/black/silver

Default overheating

you still have air trapped in the system and it is expanding and pushing out the fluid becouse it creates a hot spot and it will spike hot/cold and the thermostat may be weak or sticking and the little seep hole in the thermostat may be plugged and trapping air under the thermostat housing. good luck
willyp is offline   Reply With Quote
Old 10-06-2008, 09:47 PM   #3
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

thanks, ill make sure no lines have air in them
rice or die is offline   Reply With Quote
Old 10-07-2008, 12:21 AM   #4
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

i got all the air out for sure and the thing lasted about 20 minutes of driving before it overheated once again... this all started after i put in the tdo4 turbo and wrx tmic
rice or die is offline   Reply With Quote
Old 10-07-2008, 12:56 AM   #5
willyp
Scooby Newbie
 
Member#: 146561
Join Date: Apr 2007
Chapter/Region: NESIC
Location: vermont
Vehicle:
many 3 legacy turbos
white/black/silver

Default thermostat

ok if that isnt working take out the thermostat and see if the seep hole is plugged it is supposed to let small amounts of water to get on the other side of the t stat to help it get hot water on the other side of the t stat try drilling the smallest drill bit you have on the flat of the thermostat and make sure you have the coil side of the tstat twords the block water pumpside and not in the goose neck also did you hook up the flow wrong to your compresser inlets like wrong way flow or fittings that slow the flow? BILL
willyp is offline   Reply With Quote
Old 10-07-2008, 01:06 AM   #6
Caboobaroo
Scooby Specialist
 
Member#: 72335
Join Date: Oct 2004
Chapter/Region: NWIC
Location: Oregon City, OR
Vehicle:
89's RX/XT6
Blacksssssss

Default

If it overheats only while driving it, it sounds like you have a bad radiator. My RX did the same thing until I put a new radiator in it and now its fine.
Caboobaroo is offline   Reply With Quote
Old 10-07-2008, 01:19 AM   #7
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

well when i got the heads off when i put new gaskets on there was lots of stop leak from the previous owner, will that cause the radiator to go bad? my coolant temp sensor has coolant all over it and its been sitting like that for a while, is it possible that if my cts is bad that it will cause these problems?

on the tdo4 i put the hose going from the top of the turbo to the coolant holder and the side hose to the passanger side head
rice or die is offline   Reply With Quote
Old 10-07-2008, 09:54 PM   #8
willyp
Scooby Newbie
 
Member#: 146561
Join Date: Apr 2007
Chapter/Region: NESIC
Location: vermont
Vehicle:
many 3 legacy turbos
white/black/silver

Default rad

try putting some prestone flush through it and see if there is a bunch of crap in it make sure you flush it out really good before you refill it. Good luck BILL
willyp is offline   Reply With Quote
Old 10-08-2008, 02:51 AM   #9
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

ok so heres what i did: loosend head bolts and retorqued them in sequence the way in the repair book, the first way they were on there was a little to tight!
then after that i emptied all the coolant (mostly water though) and then baught a new gasket for my thermostat, then i put 2 bottles of subaru conditioner in and then refilled coolant, let it idle for 10 mins with radiator cap off, then drove it around and it was going good so i boosted it to 5 psi twice and then cruised a little (run was around 20 minutes) (never would last that long before this).... stopped the car and there was pressure but the overflow tank was the same level i filled it to , put my hand on the rad cap and it was cool to the touch. my turbo even has less turbo surge for some reason, but hey i think i fixed it? i only hope so!
rice or die is offline   Reply With Quote
Old 10-08-2008, 03:25 PM   #10
willyp
Scooby Newbie
 
Member#: 146561
Join Date: Apr 2007
Chapter/Region: NESIC
Location: vermont
Vehicle:
many 3 legacy turbos
white/black/silver

Default did the thermostat have a seep hole in it or was the little pin still there

And do you have a ray tech to check the block temp? I have one that i bought from a hobby store it is a duratrax model that was about 30 bucks that way you can see if it is heating the same all the way around the block and before the tstat housing and after at the rad . but dont put to big of a hole in the tstat if that is what you did becouse it will run cold all the time but circulates well. good luck BILL
willyp is offline   Reply With Quote
Old 10-08-2008, 06:23 PM   #11
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

problems came back again! damn i wish one of you guys that live in washington can come look at it for me
rice or die is offline   Reply With Quote
Old 10-09-2008, 01:52 AM   #12
Caboobaroo
Scooby Specialist
 
Member#: 72335
Join Date: Oct 2004
Chapter/Region: NWIC
Location: Oregon City, OR
Vehicle:
89's RX/XT6
Blacksssssss

Default

take it to PIA. They're just a hop, skip, and a jump away from you.
Caboobaroo is offline   Reply With Quote
Old 10-10-2008, 12:08 AM   #13
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

heres some pics of my car btw







rice or die is offline   Reply With Quote
Old 10-17-2008, 02:48 PM   #14
Joynt93
Scooby Specialist
 
Member#: 173738
Join Date: Mar 2008
Chapter/Region: VIC
Location: The Ballpark
Vehicle:
STG2 93' Legacy SS
Can't thouch This

Default

Joynt93 is offline   Reply With Quote
Old 10-18-2008, 02:06 AM   #15
rice or die
Scooby Newbie
 
Member#: 191034
Join Date: Oct 2008
Location: puyallup washignton
Vehicle:
1992 legacy turbo
silver

Default

oh my ss runs perfect again, i just had the heads retorqued at pacific import auto and that fixed it...
rice or die is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Green LED conversion on my 92 SS cluster 00boostedRS Interior & Exterior Modification 1 11-20-2009 11:07 AM
Idling issue with my 92 SS 00boostedRS Pre-2002 Factory Turbo Powertrain 13 08-03-2009 11:54 PM
installed my 92 Legacy turbo exhaust today.. spdracr00 Legacy Forum 0 07-21-2007 07:52 PM
92 Legacy Turbo SS frame and title blackbart Private 'For Sale' Classifieds 5 06-28-2005 02:48 PM
Will the rear diff. from my 92 legacy turbo work in my 94 GC impreza? lotus2843 Transmission (AT/MT) & Driveline 6 03-04-2005 02:18 PM


All times are GMT -4. The time now is 11:17 PM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2014 Axivo Inc.
Copyright ©1999 - 2014, North American Subaru Impreza Owners Club, Inc.