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Username Post: 99 Suburban Coolant Leak, not intake manifold...        (Topic#115695)
squelly 
Member
Posts: 4

Reg: 10-31-05
10-31-05 09:13 AM - Post#806983    

First post, I'm an engine illiterate.... That said I seem to be leaking coolant from this spot in the engine.

This is not the Intake manifold gasket, right?
What is this part, and what should it cost to replace? I'm new to my area, and don't have a trusted mechanic. Your thoughts and input would be appreciated!

THanks!

 
Low priced Genuine GM Auto Parts
HA139 
Senior Member
Posts: 284

Reg: 07-11-04
Re: 99 Suburban Coolant Leak, not intake manifold...
10-31-05 09:34 AM - Post#806984    
    In response to squelly

Welcome to CT.. this place is great. The fitting that is leaking is the Heater Hose Fitting.. they are notorious for leaking. When you try to remove the fitting, it will likely break. Auto Parts stores in my area (Auto Zone & Oreillys) sell a tool that taps into the broken off section and turn it out. Some people use a small hacksaw blade the saw it out in small sections.I have replaced 3 of them using the tap in tool. When the last one went, I replaced it with a steel fitting and then rubber hose over to the connection under the air filter box. People around here love to give advice and help you out. Best of luck.
Michael

2009 Chevrolet Suburban
2007 Pontiac Grand Prix
Oklahoma City, Oklahoma


 
squelly 
Member
Posts: 4

Reg: 10-31-05
Re: 99 Suburban Coolant Leak, not intake manifold.
10-31-05 10:23 AM - Post#806985    
    In response to HA139

HA139 -- thanks for the reply. Do you have a part number or reference I can use to find that fitting? I'm looking thru Advance Auto parts, but none of the fittings seem to look like that one (and if you have a name for that tap tool, too, it would be great!)

 
HA139 
Senior Member
Posts: 284

Reg: 07-11-04
Re: 99 Suburban Coolant Leak, not intake manifold.
10-31-05 11:12 AM - Post#806986    
    In response to squelly

I will see what I can find tonight after I get home.
Michael

2009 Chevrolet Suburban
2007 Pontiac Grand Prix
Oklahoma City, Oklahoma


 
squelly 
Member
Posts: 4

Reg: 10-31-05
Re: 99 Suburban Coolant Leak, not intake manifold.
10-31-05 11:26 AM - Post#806987    
    In response to HA139

much obliged.

 
HA139 
Senior Member
Posts: 284

Reg: 07-11-04
Re: 99 Suburban Coolant Leak, not intake manifold.
11-01-05 03:53 AM - Post#806988    
    In response to squelly

Sorry it took soo long. The fitting extractor is called a Heater Hose Fitting extraction Tool. The part # I came up with is an Oreilly's part #. Dorman brand Part # 800-401 $ 9.99 . I got my new set up (1/2" steel fitting with end you jus put hose on and then put a hose clamp) @ Auto Zone for less than $10 with hose fitting etc. I cant come up with that part number. Hope this helps;
Michael

2009 Chevrolet Suburban
2007 Pontiac Grand Prix
Oklahoma City, Oklahoma


 
squelly 
Member
Posts: 4

Reg: 10-31-05
Re: 99 Suburban Coolant Leak, not intake manifold.
11-01-05 10:47 AM - Post#806989    
    In response to HA139

Great info, thanks. I appreciate you getting that info for me, it really helps!

 
Anonymous 

Re: 99 Suburban Coolant Leak, not intake manifold.
11-02-05 08:47 AM - Post#806990    
    In response to squelly

I personally would not remove the fitting but instead disconnect the quick connect and put on a new o-ring from the dealer and a little sil-glyde. Snap it back together and it will last another 10 years. That is what I did. It takes 5 minutes and you won't be drilling, sawing or swearing about the fitting breaking off in the manifold.

 
jp233 
Senior Member
Posts: 1023
jp233
Loc: ATL, GA
Reg: 03-15-04
Re: 99 Suburban Coolant Leak, not intake manifold.
11-02-05 11:08 AM - Post#806991    
    In response to

I recently replaced that fitting on my truck, and it wasn't that bad.

Mine was leaking just like yours was. That pewter piece is JUNK!!!!

Yup, it broke clean off right when I put the socket on it. I used a hacksaw blade to cut some slots then chiseled out the remains, vaccuumed out what I could (I could mostly grab big pieces with needle-nose pliers and pull them out), put some black silicone on the threads of the new one, tightened it up and no leaks whatsoever.

I have another one of the fittings, they come in packs of two from gmpartsdirect.com and I couldnt split it - do you want it?
'99 Ford F-250 SuperDuty 7.3L diesel
sold '97 Chevy Tahoe Z71
several Subarus
several bikes
not enough time


 
jp233 
Senior Member
Posts: 1023
jp233
Loc: ATL, GA
Reg: 03-15-04
Re: 99 Suburban Coolant Leak, not intake manifold.
11-03-05 04:45 PM - Post#806992    
    In response to jp233

a pair of those new fittings costs like $10 (i bet if you buy it in person at a dealer you can split it up).

the new steel p/n is 24503681

check out this thread: http://www.chevytalk.org/threads/showflat.php?Cat=0&Number=1301634&an=0&page=0#1301634

hope it helps
'99 Ford F-250 SuperDuty 7.3L diesel
sold '97 Chevy Tahoe Z71
several Subarus
several bikes
not enough time


 
Low priced Genuine GM Auto Parts
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