 I NEED HELP! Anyone know how to change out the thermostat?, Please read! |
 Mar 25, 2011 - 4:20 PM
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Enthusiast  Joined Jun 5, '08 From Portland, Oregon Currently Offline Reputation: 6 (100%)  |
Im in need of changeing my thermostat and is wondering if anyone can help me out a lil bit, also I see that theres some mocha colored gunk in my oil cap, does that mean i have a leaky headgasket? My car takes a long time to warm up , im thinkin due to the thermostat being stuck open, could that be the cause of the coolant gettin mixed in my oil? No smoke or nothing just finding the mocha stuff under my oil cap.
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Mar 25, 2011 - 4:51 PM
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 Enthusiast Joined Oct 7, '09 From Northern kentucky Currently Offline Reputation: 8 (90%) |
If your coolant is mixing with your oil its your headgasket that is the problem, not the thermostat
-------------------- 1996 Toyota Celica Project Mean Green
3RD Gen 3SGTE WRC Edition W/LSD E153 - Love BOOST <3 2001 Solar yellow Lexus IS300 2001 Dodge ram 1500 Off-road edition |
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Mar 25, 2011 - 8:04 PM
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 Enthusiast Joined Feb 11, '08 From Auckland, New Zealand Currently Offline Reputation: 0 (0%) |
QUOTE (JDUB @ Mar 26, 2011 - 10:20 AM)  theres some mocha colored gunk in my oil cap Apparently that's the tell-tail sign of a BHG. -------------------- Mike W
1996 Toyota Celica ST205 GT-FOUR GT2860RS turbine, TiAL mvr44, JE 86.5φ piston, Clutchmasters FX400, APEX P-FC 269awhp / 273ft-lbs |
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Mar 25, 2011 - 8:56 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
or its just normal condensation that never gets vaporized out of the oil because the engine never reaches full operating temp.
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Mar 25, 2011 - 9:36 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
the cap collects that crap, what does the coolant look like? regardless you need to replace the thermostat. is this an ST or GT. search my rebuild threads i have tons of pics where they are
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Mar 25, 2011 - 9:45 PM
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 Enthusiast Joined Oct 24, '10 From Chicago Currently Offline Reputation: 0 (0%) |
Follow your lower radiator hose to the engine.
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Mar 25, 2011 - 10:15 PM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
QUOTE (Bitter @ Mar 25, 2011 - 9:56 PM) or its just normal condensation that never gets vaporized out of the oil because the engine never reaches full operating temp. X2 -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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Mar 26, 2011 - 6:43 AM
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 Enthusiast Joined Aug 2, '05 From Guam Currently Offline Reputation: 15 (100%) |
if it is also mixing into your radiator coolant, then thats blown HG.
-------------------- 94 Celica GT
|Toyota OEM Japan|Toyota Racing Development|Tom's|Competition Clutch|5Zigen|Apexi| |Laille/Beatrush|Magnecor|Denso|Royal Purple|Optima|PIAA|PW JDM|Megan Racing|Nitto| |Work|Greddy|Samco|Project Mu|H&R|Gates|Moog|Rota|Yokohama|Epman|1320|Upgr8 04 Celica GT |Toyota OEM Japan|Toyota Racing Development|Tein|BC Racing|Greddy| |
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Mar 26, 2011 - 12:51 PM
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Enthusiast Joined Jun 5, '08 From Portland, Oregon Currently Offline Reputation: 6 (100%) |
My coolant is still full and green, soo what does it mean now? lol
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Mar 26, 2011 - 1:06 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
I think it means people cry blown head gasket too easily and don't fully know what they're talking about.
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Mar 26, 2011 - 1:52 PM
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 Enthusiast Joined Jan 17, '08 From JB MDL, NJ Currently Offline Reputation: 30 (100%) |
QUOTE (presure2 @ Mar 25, 2011 - 11:15 PM) QUOTE (Bitter @ Mar 25, 2011 - 9:56 PM) or its just normal condensation that never gets vaporized out of the oil because the engine never reaches full operating temp. X2 Thats what Im leaning towards. If all you other fluids look fine (oil, coolant) then change the thermostat. Then just keep an eye on things. I had the same issue for a bit (as far as taking forever to warm up), but changed my thermostat and it warms up fairly quick (as opposed to before). And I see you have the GT. So changing out the thermostat is kind of a pain as the compressor (if you have ac) and oil filter get in the way. But remove the water neck (two 10 mm nuts, real soft too so be careful) along with the lower radiator hose and you'll see your thermostat. Just make sure that if you get one with a "jiggle valve" you align it with the mark on the water neck. Reinstall and hook everything back up, refill and your good to go. And I replaced my crap nuts with some nylon locknuts (as they are not as soft). This post has been edited by Spider77: Mar 26, 2011 - 1:57 PM |
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Mar 26, 2011 - 7:32 PM
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Enthusiast Joined Apr 11, '09 Currently Offline Reputation: 11 (100%) |
lol its easy to change out on a gt, took me about 10 minutes and im lazy. find that how to it helps!
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Mar 27, 2011 - 9:04 PM
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Enthusiast Joined Sep 21, '10 From Woodstock, MD Currently Offline Reputation: 1 (100%) |
Replacing the thermostat in the GT is pretty easy. Just be sure to take the oil filter off to get some leverage on the 10 mm bolts holding the housing. The pitchcock to drain the coolant is right below where you'd think it is on the front left, however you will need to take off at least one of the plastic underbody panels, just a few 14mm bolts there. Before you pull the radiator hoses off make sure you press them firmly to push any fluids out, believe me it can get messy.
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