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But the question was did it flow coolant? Whether you check it at the bolt with a hole in it or at the tank, it must flow coolant

Yea it wasn't flowing coolant through when I check before I'm actually omw out now to check again just to be sure.

Here are two pics I've taken the first is of where the bypass hose starts to wrap under stuff on the right side of the engine. After that I can't find it. The 2nd part is of where I think the thermostat housing is?

http://imghost.me/images/iqhac.jpg

http://imghost.me/images/gsaBU.jpg

I'm going to go try my car and see if coolant flows through it so I'll post back again.

I'm back maybe on these 3 someone can point out where the end of the overflow hose is located?

http://imghost.me/images/mkjYu.jpg

http://imghost.me/images/Yt0Dn.jpg

http://imghost.me/images/12ruQ.jpg

Also.... My battery died and my gf is at work so I can't check the bypass valve tell she gets home for a jump :) O.o Now it's pouring WTF!

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if you have no flow at that hose then that could be the whole problem. I have a pic of the bolt with the hole in it but photobucket is down at the moment so I cant post it. It is easy to find. between the airbox and the upper engine mount. you will see a bolt that has a hose on it on the side of the mount.. Remove the hose and it the fitting unscrews. It is likely plugged with bars leak

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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if you have no flow at that hose then that could be the whole problem. I have a pic of the bolt with the hole in it but photobucket is down at the moment so I cant post it. It is easy to find. between the airbox and the upper engine mount. you will see a bolt that has a hose on it on the side of the mount.. Remove the hose and it the fitting unscrews. It is likely plugged with bars leak

Thanks rock hopefully they come back up before tomorrow and you can link it for me :) I'm such a visual person.

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if you have no flow at that hose then that could be the whole problem. I have a pic of the bolt with the hole in it but photobucket is down at the moment so I cant post it. It is easy to find. between the airbox and the upper engine mount. you will see a bolt that has a hose on it on the side of the mount.. Remove the hose and it the fitting unscrews. It is likely plugged with bars leak

Thanks rock hopefully they come back up before tomorrow and you can link it for me :) I'm such a visual person.

When you clean that bolt/hose don't just blow air back into the system to clean it or it will just flow back into the bolt later, make sure the clog leaves the system.

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Good advice, we have had some who blow compressed air into the purge line temporarily clearing the system

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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I believe I found it. its right by the upper radiator hose. it has a little lip type thing on it right towards the end?

However my question is this . how the Hell do you get the hose off?

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You need to be more specific when you post, you said could I post a picture.... A picture of what?

Take a photo and post if, what do you mean by a lip type thing? Typically, the hose is held on by a hose clamp, take a photo

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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I'm sorry man my days been crap. Someone slashed my tires and there refusing to cover them with the warranty. I took a picture but I haven't been home to upload it of the hose/fitting.

I will try to upload the picture this evening.

As far as I meant about a picture you said you had one on Photobucket but you couldn't access it. The site is up now so I was asking you to post it.

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End of the day update!

Ok so here's the rundown of my day.

1. My tires were slashed :angry2:

2. I was able to finally able to get to the hose and blow compressed air through the lines w/o a problem.

2a. The hose has a clamp on it where you need to use pliers to press the two ends of it together then you can remove the hose afterwords.

2b. I ran the car after removing the hose and blowing compressed air through and no coolant ran through (car got to 200 degrees) and decided to do thermo.

2c. Picture of the hose. gPEHe.jpg

3. I removed my thermostat and the o-ring on the outside was extremely warped.

3a. Picture Below:zy9F6.jpg

Tomorrow's plan.

I plan to install the new thermostat (I got the one without fail safe is that ok?) Then see if I can get coolant flowing through the system. Hopefully that was the problem. I know I talked to the autozone tech and he said the thermostat should open up if you put it in boiling water around 190 degrees. I boiled it up to 210 and it opened, but only about 1/8 inch maybe a tad more.

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YOU GUYS CRACK ME UP !!!!!!!!!!!!!!!!!!!!!!!! THIS HAS TO BE REhearsed... LMAO gf lookin at me like i have lost it

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YOU GUYS CRACK ME UP !!!!!!!!!!!!!!!!!!!!!!!! THIS HAS TO BE REhearsed... LMAO gf lookin at me like i have lost it

Dude I wish it was I'm in the hole about 300 dollars right now with my tires being slashed and the parts :'( It *smurf* sucks worse that I'm unemployed so I'm trying to do it by myself. I can take a pic of my tire if you'd like!

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it was me that was going to post the pic but unfortunately I couldnt find it .I have over 200 pictures and it disappeared somehow.

The good news though is you got it in the picture. Remove the hoseclamp with the pliers, pull the hose off. Unscrew the stud out of the mount and clean it out. Then check the hose itself for pinched or clogged portion. hope your luck gets better, but dont give up. People suck. Shoot I work full time and would lose it if my tires got slashed

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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The "hollow bolt" is directly in the center of the first picture you posted in reply #35. Disconnect the hose, remove the bolt and clean it out. Reassemble everything and then check for coolant flow at the surge tank.

If there is no coolant flow at the surge tank end of the purge hose, the car WILL overheat.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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The thermostat should be wide open at 180 degrees. Look at the pindle in the center of the thermostat if you see areas that are clean and shiny from rubbing its a second indication that the stat is shot. If your stat is not opening that could be your problem

The lip thing you are talking about is the SEAL, your SEAL is KAPUT...... As I noted above when you buy the stat make sure you buy the SEAL....most of the time the seal is sold separately

I will ask again, did you get coolant out of the hose at the tank when the engine was idling?

Your clamp looks messed up, its a pressure clamp and you use pliers to release the tension, buy a new clamp also of the correct size ( mini clamp ) show them the size of the hose. You do not need the same type, a mini screw clamp will be fine.

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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I will ask again, did you get coolant out of the hose at the tank when the engine was idling?

I replaced the thermo and then went for a drive. The car still overheated.

I don't know what else it could be. Like I said before. I blew compressed air through all the hoses and saw no clogs anywhere. I'm completely stumped :(

I think I need to just run my car til it heats up to 250 degrees. Then for sure I would know that it's not flowing coolant, before I stopped around 210.

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You are confusing me, WHERE did you blow compressed air? Did you blow compressed air into ANY of the purge line plumbing?

I have asked a few times DID COOLANT FLOW FROM THE PURGE LINE, I don't think you answered that question. YES OR NO

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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This is SO confusing, what do you mean you STOPPED AT 210 degrees????? 210 degrees is NOT overheating

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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The thermostat should be wide open at 180 degrees. Look at the pindle in the center of the thermostat if you see areas that are clean and shiny from rubbing its a second indication that the stat is shot. If your stat is not opening that could be your problem

The lip thing you are talking about is the SEAL, your SEAL is KAPUT...... As I noted above when you buy the stat make sure you buy the SEAL....most of the time the seal is sold separately

I will ask again, did you get coolant out of the hose at the tank when the engine was idling?

Your clamp looks messed up, its a pressure clamp and you use pliers to release the tension, buy a new clamp also of the correct size ( mini clamp ) show them the size of the hose. You do not need the same type, a mini screw clamp will be fine.

Mike, I believe he stated no flow in post 14, unless I am reading wrong.

WoG, If you are blowing back into the line without unhooking the other end, you can blow the clog into the system (away from the bolt with hole) only to have circulation push it immediately back into the bolt. You NEED to get flow through that bolt, hose to the reservoir, or nothing else will matter. Stating that you blew air through all hoses is not very informative. Example: if you removed a radiator hose from both ends and blew air through it, you would still not know there wasn't a clog one inch into the nipple the hose attaches to. (that is meant only as an example, not thinking that is what you did)

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Thanks airmike for trying to clear it up.

Yea I posted it in post 14 that fluid didn't circulate I also posted a few other times that the coolant didn't flow. However the last time I just let the car get to 210 degrees before shutting it off. It should of started circulating through the purge line by then.

As far as blowing air through the purge line I disconnected it on the right side of the engine and next to the coolant tank. Then blew it though both ways only a little bit of fluid came out and the compressed air. I also did it for the short hose that appears in post 35.

Hopefully that helps clear it up for you bodybyfisher.

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Ok I didnt see that you didnt have coolant out of the purge line.

Are you getting fluid out of the purge line now? What confused me was that we said NEVER blow compressed air anywhere, the HOSES are not what clogs only the bolt with a hole in it and it MUST be clear.

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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You must REMOVE the BOLT WITH A HOLE IN IT from the engine...

Then clean it out ... make sure the line is clear from the BOLT WITH A HOLE IN IT to the surge tank,,, then reinstall it and re-attach the purge line.

Thia has already been said but I will say it again....

IF COOLANT IS NOT FLOWING FROM THE HOSE... WHERE IT ATTACHES TO THE SURGE TANK... YOU WILL OVERHEAT... PERIOD...

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Ok I will remove the bolt with the hole in it today to see if something is wedged in it. I will also double check the line again.

I have 2 finals due today and 3 assignments so it will be later, but I will post back with results.

Edit: I just saw the post by bodybyfisher. I only blew air through the lines after both sides were disconnected to see if anything came out and it didn't.

Well I just got back inside and it still didn't flow any coolant. There was also nothing plugging the bolt. Where do I go from here?

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Is the system full of coolant??

is the water pump turning??

Are the water pump belt and tensioner good??

"IF" the bolt with a hole in it is not clogged, and "IF" the line from the bolt with a hole in it to the surge tank is clear and "IF" the water pump is turning...coolant "SHOULD" be flowing from the end of the hose by the surge tank.

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is the water pump turning??

Are the water pump belt and tensioner good??

Ok I can check this I know where the belt is located.

However, how can you tell if the tensioner is good?

Also How can you tell if the pump is turning? Does the belt run straight to it?

Thanks,

WoG

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