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Overheating


Illinoisinc
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Galant VR-4 org Post #: 1215823 posted 09/03/15 09:00 AM     Remind Me!  Send Private Message   Edit Post      
Well good morning everyone. New gallant vr4 guy here ( new piston guy as well, been in the rotary world all my life )

Just purchased the car and it is overheating.

I have changed the Thermostat, Radiator cap, flushed the coolant ( well it spit 90% of it out lol )

I noticed when it was overheating the reservoir was just being pushed out.

Can it be the Head Gasket?

Please help me out guys.

Thanks



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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prove_it
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Galant VR-4 org Post #: 1215825 posted 09/03/15 09:06 AM     Remind Me!  Send Private Message   Edit Post      
Do the fans run



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Illinoisinc
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Galant VR-4 org Post #: 1215826 posted 09/03/15 09:07 AM     Remind Me!  Send Private Message   Edit Post      
Yes the fan is running.



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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iceman69510 Galant VR4.org Moderator
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Galant VR-4 org Post #: 1215827 posted 09/03/15 09:16 AM     Remind Me!  Send Private Message   Edit Post      
May be head gasket if you are getting pressure pushing out coolant.



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Illinoisinc
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Galant VR-4 org Post #: 1215828 posted 09/03/15 09:20 AM     Remind Me!  Send Private Message   Edit Post      
Dammit!!! That is the last thing that I want to do!! lmfao



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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transparentdsm
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Galant VR-4 org Post #: 1215834 posted 09/03/15 10:11 AM     Remind Me!  Send Private Message   Edit Post      
head gasket isn't all to hard to do in these cars. find a local who knows what he is doing and you two can have it done in a few hours.



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Illinoisinc
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Galant VR-4 org Post #: 1215835 posted 09/03/15 10:17 AM     Remind Me!  Send Private Message   Edit Post      
is it really??? Shit.



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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transparentdsm
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Galant VR-4 org Post #: 1215836 posted 09/03/15 10:21 AM     Remind Me!  Send Private Message   Edit Post      
yeah. do you have any machine shops by you? id also set it up so you can have the head resurfaced at the shop after you remove the head that or buy a spare head and have that all prepped and ready to go before you start. last time i did one it took me 6 hours and 7 beers.



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Illinoisinc
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Galant VR-4 org Post #: 1215840 posted 09/03/15 11:06 AM     Remind Me!  Send Private Message   Edit Post      
No I don't know what shops would do it but Ill ask



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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CutlassJim
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Galant VR-4 org Post #: 1215843 posted 09/03/15 11:11 AM     Remind Me!  Send Private Message   Edit Post      
You've got AMS in that area.......

If the engine is original with over 150k then at a MINIMUM I would replace the valve seals. Finding another head and freshening it up with stock valves, viton seals and maybe a set of Evo beehive springs would extend the life of that engine for another 150k miles and with a set of ARP head studs it's ready for any mods you want to throw at it.



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Illinoisinc
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Galant VR-4 org Post #: 1215844 posted 09/03/15 11:16 AM     Remind Me!  Send Private Message   Edit Post      
Yeah they also charge a dick and leg from what I hear lol.

But none the less you are right.



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

Posts: 42 | From: Chicago, IL | Member Since: 09/03/15 | IP: (104.129.196.106) | Report this post to a Moderator

prove_it
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Galant VR-4 org Post #: 1215857 posted 09/03/15 12:44 PM     Remind Me!  Send Private Message   Edit Post      
Quoting iceman69510:

May be head gasket if you are getting pressure pushing out coolant.





Not always. If the coolant has a low boiling point then once it boils the expansion rate of the coolant rises. The rad cap opens to release pressure and then the boiling coolant is pushed out the reservoir due to the expansion.

More info on the car would be nice. Once I had a 1g that was overheating. Everything was fine, turned out the owner wired his fans backwards. The air was being pushed to the front of the car.



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#715/1K KG, Rebuilding
02 Acura TL daily duty unit

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Illinoisinc
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Galant VR-4 org Post #: 1215860 posted 09/03/15 12:59 PM     Remind Me!  Send Private Message   Edit Post      
It has a 1g motor.

Previous owner stated that it had a new head gasket, rebuilt head. so that I why I am confused.



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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Galant VR-4 org Post #: 1215863 posted 09/03/15 01:24 PM     Remind Me!  Send Private Message   Edit Post      
It can also be the head itself. I've had a motor not blow the head gasket but I did have the aluminum on the head develop tiny holes that would build up pressure in the coolant system and pop radiator hoses. The head gasket was good but cylinder one had the heat damage in the aluminum on the head. If I drove nice everything was fine but hitting boost a few times in a row and POP went a radiator hose. I switched to a new gasket and fresh head and all was right with the Diamond Star Gods. It could also be both.



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Coltsfan
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Galant VR-4 org Post #: 1215865 posted 09/03/15 01:28 PM     Remind Me!  Send Private Message   Edit Post      
It could also be as simple as a bad radiator cap. The only thing preventing the coolant from boiling when it hits 212F (lower as you go above sea level) is the fact that it's under pressure. I cap that no longer holds pressure, will boil over every time.

Edit: But you have a new radiator cap.

I have a tester that percolates the gas from the cooling system through a blue liquid. If there is CO or CO2 (don't remember which) in the cooling system, the fluid changes to a bright yellow. I would see if you can get someone to test it with that, unless you are 100% sure everything else in the cooling system is up to par, and that the ignition timing is spot on.
When the fan kicks on, do you feel hot air being drawn from the radiator?



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Edited by Coltsfan (09/03/15 01:37 PM)

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Illinoisinc
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Galant VR-4 org Post #: 1215869 posted 09/03/15 02:09 PM     Remind Me!  Send Private Message   Edit Post      
I will try that out today. I greatly appreciate it seriously guys. I feel like im a big bother here.

I need to learn these motors quick lmfao



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

Posts: 42 | From: Chicago, IL | Member Since: 09/03/15 | IP: (104.129.196.106) | Report this post to a Moderator

Illinoisinc
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Galant VR-4 org Post #: 1215870 posted 09/03/15 02:12 PM     Remind Me!  Send Private Message   Edit Post      
Also I just called AMS and was told that they don't work on any DSM's..... That's bogus lol



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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iceman69510 Galant VR4.org Moderator
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Galant VR-4 org Post #: 1215873 posted 09/03/15 02:19 PM     Remind Me!  Send Private Message   Edit Post      
Tell them it's not a DSM. Truth.



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92 VR4 828 Belize Green-SOLD
91 VR4 115 Nile Black -SOLD

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Illinoisinc
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Galant VR-4 org Post #: 1215876 posted 09/03/15 02:33 PM     Remind Me!  Send Private Message   Edit Post      
I actually said Galant vr4 lol..



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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Galant VR-4 org Post #: 1215888 posted 09/03/15 04:30 PM     Remind Me!  Send Private Message   Edit Post      
I would check your timing first.



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Illinoisinc
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Galant VR-4 org Post #: 1215889 posted 09/03/15 04:35 PM     Remind Me!  Send Private Message   Edit Post      
What is the timing supposed to be at??



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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Galant VR-4 org Post #: 1215904 posted 09/03/15 08:46 PM     Remind Me!  Send Private Message   Edit Post      
5.



www.japanesenostalgiccar.com
www.nostalgic.co.jp

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CutlassJim
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Galant VR-4 org Post #: 1215914 posted 09/04/15 07:04 AM     Remind Me!  Send Private Message   Edit Post      
btdc



ALL DSM's are advanced and ALL Evo's retarded
I love my crazy mother!!!

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Illinoisinc
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Galant VR-4 org Post #: 1215917 posted 09/04/15 08:10 AM     Remind Me!  Send Private Message   Edit Post      
BTDC??? what does that mean?

******** UPDATE*******

I took the radiator cap off last night while it was running and you can tell there was a lot of bubbles coming
up from the radiator. I basically did that till it flowing through normal.

Drove it for about an hour and at a red light it started overheating till I would boost and you'll see the temp
drop back to normal ( What the hell lol )

what can that be? is it the head gasket?



"Money doesn't sleep, so why should I"

^ the rotary guy who doesn't know anything about pistons lol

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CutlassJim
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Galant VR-4 org Post #: 1215921 posted 09/04/15 08:21 AM     Remind Me!  Send Private Message   Edit Post   
BTDC = before top dead center = advanced. So your base timing should be 5* advanced.

Burping the system is a necessity. If you drove around moving for an hour and the car didn't overheat then it seems fine. If it overheated when you stopped then something is wrong with your cooling fans.

By when you "boosted" do you mean while still at a stop or just when you started driving again?



ALL DSM's are advanced and ALL Evo's retarded
I love my crazy mother!!!

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