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Old October 15th, 2008, 01:27 PM   #1
bj house
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Default Trailblazer Coolant

The oil change place harrased my wife today (again :) lol. Today it was oh my god you don't have orange coolant and it's almost winter.

I flushed it and replaced it with zerex yellow/green standard stuff two weeks ago and used a specific gravity floater to check the fp.

That said I am not 100% certain that there is not some goofy part that might be upset that it does not feel the lovely DEXCOOL flowing by. I did flush out 99.9% of the DEXCOOL before swapping in the regular shit.

Anyone have any thoughts?

They also told her that the differential fluid needs to be flushed and the air filter needs to be replaced (done 15K ago:)

I know that they need to make a buck like everyone else but I am kind of getting tired of hearing the same shit.

Lat time they told her the rear fluid level was low last time although it has never leaked a drop in its life. I think that they log what they said the last time you came in and try a new tactic
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Old October 15th, 2008, 01:40 PM   #2
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What kind of warranty is on the vehicle? Don't expect to get any major engine repair costs paid for if you aren't running dexcool...I know its garbage but its what GM says to use..

On another note - I did an intake gasket on a 4.3L that had 125k on it with original dexcool....Should of seen how it had solidified and turned into sludge.. You did the right thing, hopefully its not under warranty and you won't have anything to worry about

Yet another note - Don't send your wife into an oil change place alone..Sending women to those places just lets them replace shit that theres usually nothing wrong with, they try scare tactics to make a buck
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Old October 15th, 2008, 01:44 PM   #3
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It shouldn't affect anything. You just have to flush/fill every 30,000 miles roughly instead of the Dexcool schedule.
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Old October 15th, 2008, 01:59 PM   #4
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A friend went to a quick lube place and they said she needed the "high mileage" oil. She bought it. $20 extra. Rip. Plus they said she had metal in her transmission. I have never seen metal show up on a dipstick unless it was ready to explode momentairly. And I don't think her car has a dipstick. Just the fill cap. You have to pull a plug on the side of the transmission and fill. then let the car run till warm and let the fluid drain out, then it is full. And they said her coolant had gunk in it. Duh, it is Dexcrap. It always has junk in it.

Quick lube places are a joke.
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Old October 15th, 2008, 02:06 PM   #5
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All three of my gm cars/truck now have green coolant.Also look at your maint.schedule in your owners manual for diff. fluid change etc.
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Old October 15th, 2008, 02:23 PM   #6
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and check your stabilizer links. And your cam position solenoid. And your A.I.R. valves.
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Old October 15th, 2008, 02:28 PM   #7
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i do not belive that dex-cool is even offered any more, G05 Global is the new stuff
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Old October 15th, 2008, 11:21 PM   #8
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Thanks guys

No warranty

Can't stop the wife from going I change everything else on the rest of the fleet :)

Interesting that the G-05 I just put in my Excursion did not show that it was acceptable for GM vehicles newer then 2006. The regular stuff that I put in her car said it was acceptable for all makes and models.

Diff lube I understand should be changed but like transmission fluid I will probably get it to it around 100K.

actually bought sway bar links as it has had a light clunk in the front end for some time. After (doh) I bought them I checked and they were tight as was everything else (while on the jack, with wheels off etc.) I just recently happened to grab the sway bar itself with all the weight on it and the bushing that hold it to the frame had some play.

Didn't know the AIR was touchy care to enlighten me on that one.

Thanks again GL
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Old October 16th, 2008, 06:37 AM   #9
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Quote:
Originally Posted by bj house View Post
Didn't know the AIR was touchy care to enlighten me on that one.

Thanks again GL
Might not have been the valves but had a few tblazers that the hose would go bad at the pump. The engineers routed the hose from the bottom, under the driver door up to the engine compartment, behind the cylinder head and over to the valve/solenoid.

GM replacement procedure for this hose says to remove the cylinder head. Usually it is just a broken end that connects to the pump. So you just remove the broken end and replace it with the end from the new hose.

I have seen a few A.I.R. solenoids go bad on them too.

Also check your rear stabilizer links. They go bad also. And if you have to change them or the fronts, good luck. I destroyed two pairs of vice grips trying to keep the stud from spinning while removing the nut. Even heat didn't help. I usually had to cut as much as I could with my cut off wheel.
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Old October 16th, 2008, 10:16 PM   #10
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Quote:
Originally Posted by Flexin' XJ View Post
Might not have been the valves but had a few tblazers that the hose would go bad at the pump. The engineers routed the hose from the bottom, under the driver door up to the engine compartment, behind the cylinder head and over to the valve/solenoid.

GM replacement procedure for this hose says to remove the cylinder head. Usually it is just a broken end that connects to the pump. So you just remove the broken end and replace it with the end from the new hose.

I have seen a few A.I.R. solenoids go bad on them too.

Also check your rear stabilizer links. They go bad also. And if you have to change them or the fronts, good luck. I destroyed two pairs of vice grips trying to keep the stud from spinning while removing the nut. Even heat didn't help. I usually had to cut as much as I could with my cut off wheel.
Yeah I already looked at the links and said wtf.. Hopefully the bushings that I am certain are the cause of the current clunk keep it happy for awhile.
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Old October 16th, 2008, 10:26 PM   #11
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Quote:
Originally Posted by GreaseMonkey View Post
It shouldn't affect anything. You just have to flush/fill every 30,000 miles roughly instead of the Dexcool schedule.
you SHOULD do that with the dexcool too.. that shit just eats away at gaskets
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Old October 16th, 2008, 10:39 PM   #12
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fast eddies told my wife the trans fluid in her trailblazer with 60k on it looked very disturbing to him. and by the way it was changed three weeks prior.
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Old October 16th, 2008, 10:47 PM   #13
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yea quickie lube places suck. i work at a ford dealer with the "quick lane" and we had a pt cruiser with 40k come in that had only been to quickie lube places. the oil drain plug hole was stripped out, so the took an old plug that was bigger and just hammered it back into the drain. so after we replaced the oil pan, gasket and cooler gasket and 4 days later she was back on the road.
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