HELP !! 99 park ave coolant res empty - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-15-2010, 02:06 PM   #11
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Originally Posted by goldfinger22 View Post
no leaks or seeps anywhere that I can see.To pull the throttle body do I hav to remove anything but the bolts ? And im looking inside around the pipe to see if its dry/wet ?
Right.

Here'* some background info that might help you.

The original design up to 2003 (someone mentioned 2005, but I remember the fix being made after 2003, can someone clarify), was defective by nature. You essentially have an EGR hose on the driver'* side that goes into the lower intake manifold. From the lower intake manifold, a stovepipe protrudes out. When you put the upper intake manifold on top, the stovepipe basically pushes the EGR gasses back into the intake. However, because the stovepipe is in direct contact (or extremely close) with the upper intake manifold, it tends to overheat the plastic there, which over time becomes brittle and cracks. Coincidentally, that'* exactly where the throttle body coolant passages are.

This is the image of the stovepipe when you pull the throttle body:
http://i26.photobucket.com/albums/c1...laccopy400.jpg

Here'* the view of the upper intake manifold from underneath. The middle pipe is where the EGR stovepipe goes through, and the two around it are the coolant passages.

http://img.photobucket.com/albums/v1...9plugholes.jpg

As you can imagine, if the plastic cracks there, you can drain all of your coolant very quickly. The replacement manifolds have a revised stovepipe design that leaves some space between the plastic.
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Old 07-15-2010, 02:09 PM   #12
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In order to check if you have the revised intake, check the datestamp on the top of the manifold. If its 03 or above, you shouldn't have this problem, but if its any year before that, then it is very likely that'* what your problem is.

If you have to remove it, you should replace the lower intake manifold gaskets as well, since those also have a tendancy to go bad on these cars. If you do replace it, make sure to get the revised aluminum design, not another set of plastic gaskets.
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Old 07-15-2010, 03:09 PM   #13
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ok i got it off and there is some coolant laying just inside the throttle body but I dont know if its from removing the body ?? The date code is 05 which i assume is 2005. Now what do I do...

Can one of you guys e-mail me with your ph number and I will call you PLEASE !!
Thx

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Old 07-15-2010, 03:19 PM   #14
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Originally Posted by goldfinger22 View Post
ok i got it off and there is some coolant laying just inside the throttle body but I dont know if its from removing the body ?? The date code is 05 which i assume is 2005. Now what do I do...

Can one of you guys e-mail me with your ph number and I will call you PLEASE !!
Thx

[email protected]
If the date code is 05, then you have a revised version. This could be either your throttle body gasket, or your lower intake manifold gaskets.
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Old 07-15-2010, 03:21 PM   #15
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Oh and btw, e-mail sent.
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Old 07-15-2010, 09:39 PM   #16
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Ok heres the deal, it still had the larger dia stovepipe,date code was 05. I removed the intake and there was a hole right thru where the pipe goes about the size of a pencil.

I bought the Dorman kit for 94.00, 103.00 with tax and with "Andrie'*" help took about 1 hour and it was running. Few small issues with me forgetting the oring for the PCV ( thanks again Andrie) and she seems good to go. I dont see any external leaks and I gave her a fresh oil chg.

Drove it around seems to run cooler now ?? Coolant seems ok. This ne kit has a much smaller pipe. I didnt do the lower gaskets because they were done at the dealer a few years ago. Hope they will be ok. Whats the symptoms when these go bad and how likely is it they will.

The car has 180k and if i can run her another 30k I will be happy !

Thanks again to all you guys are a gret bunch !
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Old 07-15-2010, 10:55 PM   #17
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Throttle Body Assembly Replacement VIN K

<A href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=319081&evc=sm&pubid=94&cellId= 24929&mspsdsubkey=902#ss1-319081">Removal Procedure
  1. <LI type=1>Drain the radiator coolant. Refer to Draining and Filling Cooling System .


    <LI type=1>Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement .


    <LI type=1>Remove the IAT (Intake Air Temperature) sensor electrical connector (1) from the IAT sensor (2).


    <LI type=1>Remove the intake air duct from the throttle body.


    <LI type=1>Remove the IAC (Idle Air Control) valve electrical connector from the IAC valve.


    <LI type=1>Remove the TP (Throttle Position) Sensor electrical connector from the TP Sensor.


    <LI type=1>Remove the MAF (Mass Air Flow) sensor electrical connector from the MAF Sensor.


    <LI type=1>Remove the accelerator control cable from the throttle body lever. Refer Accelerator Controls Cable Replacement . <LI type=1>Remove the cruise control cable from the throttle body lever. Refer to Cruise Control Cable Replacement . <LI type=1>Remove the accelerator control cable from the accelerator controls bracket. Refer Accelerator Controls Cable Replacement . <LI type=1>Remove the cruise control cable from the accelerator controls bracket. Refer to Cruise Control Cable Replacement . <LI type=1>Remove the electrical harness retainer clip from the accelerator control cable bracket.


    <LI type=1>Remove the vacuum lines from the throttle body noting location.


    <LI type=1>Remove the throttle body support bracket.


    <LI type=1>Remove the 3 nuts and studs holding the throttle body to the intake manifold.
    Notice

    Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.
    Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.

    <LI type=1>Clean the gasket surface on the intake manifold and the throttle body assembly. Remove the throttle body assembly from the intake manifold.

  2. Remove the accelerator controls bracket from the throttle body if the throttle body is being replaced. Refer to Accelerator Controls Cable Bracket Replacement .
<A href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=319081&evc=sm&pubid=94&cellId= 24929&mspsdsubkey=902#ss2-319081">Installation Procedure
  1. Notice

    Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.




    <LI type=1>Install the accelerator controls bracket to the throttle body if necessary. Tighten Tighten the accelerator controls bracket bolts to 16 Nm (12 lb ft).



    <LI type=1>Install the new gasket, and new inserts and studs if necessary. <LI type=1>Install the throttle body assembly. <LI type=1>Install the throttle body retaining nuts. Tighten Tighten the throttle body retaining nuts and studs to 10 Nm (7 lb ft).
    <LI type=1>Install the throttle body support bracket. Tighten Tighten the throttle body support bracket bolts to 11 Nm (8 lb ft).



    <LI type=1>Install the accelerator control cable to accelerator controls bracket at throttle body. Refer to Accelerator Controls Pedal Replacement . <LI type=1>Install the cruise control cable to accelerator controls bracket at throttle body. Refer to Cruise Control Cable Replacement .



    Important

    The throttle should operate freely without binding between full closed and wide open throttle. Refer to Accelerator Controls Cable Replacement or Accelerator Controls Pedal Replacement .

    <LI type=1>Install the accelerator control to the throttle body lever. <LI type=1>Install the cruise control cable to the throttle body lever. <LI type=1>Check for complete throttle opening and closing positions by operating the accelerator pedal. Also check for poor carpet fit under the accelerator pedal. <LI type=1>Install the electrical harness retainer clip and harness to the accelerator control cable bracket.


    <LI type=1>Install the vacuum lines to throttle body as noted on removal.


    <LI type=1>Install the intake air duct (1) to the throttle body and air cleaner assembly. Tighten Tighten the clamp to 2 Nm (18 lb ft).
    <LI type=1>Install the IAT sensor electrical connector to the IAT Sensor. <LI type=1>Refill the radiator to replace the lost coolant. Refer to Draining and Filling Cooling System .
  2. Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement .
Document ID# 319081
1999 Buick Park Avenue
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Old 07-15-2010, 10:57 PM   #18
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heres the pic, kinda hard to see the hole
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HELP !! 99 park ave coolant res empty-img00251-20100715-1842.jpg  
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Old 07-16-2010, 12:22 AM   #19
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im stressing about the lower gaskets now, the coolant in this car was flused at the dealer every 30k miles according to the notes in the manula I got with the car.
I have removed the Dex and have the "mix with any color" coolant but even when I drained and fluhed it when I got it it was nice and clean.

Is this a good sign ??

Do you guys think I should add the GM sealant tabs I see people talking about ??

How likely are these to go too ?

Symptoms ?
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Old 07-16-2010, 02:28 AM   #20
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Quote:
Originally Posted by goldfinger22 View Post
im stressing about the lower gaskets now, the coolant in this car was flused at the dealer every 30k miles according to the notes in the manula I got with the car.
I have removed the Dex and have the "mix with any color" coolant but even when I drained and fluhed it when I got it it was nice and clean.

Is this a good sign ??

Do you guys think I should add the GM sealant tabs I see people talking about ??

How likely are these to go too ?

Symptoms ?
Series 2 3800 LIM gaskets at 113k miles on a 1996 Buick Regal. They weren't leaking, but as you can see, they were on their way out:

http://s16.photobucket.com/albums/b3...00/Vik96Regal/

Click pictures to zoom in. It looked as though her coolant had never been changed too. If you had your coolant flushed often, you should have no problem.

Symptoms will be exactly what you had this time around.

Do NOT add any coolant stop-leak additives. You run a risk of clogging your heater core, and that will really test your sense of humor.

Let me know if you have any other questions.
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