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Old 08-11-2017, 10:47 PM
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1999corvettels1
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Default Coolant tank

Is the Dorman coolant tank a good replacement? Mine is leaking at the nipple where a small hose slips on, looks like it got bent, maybe I did it.

My car is a 1999, but I think this should work?

Old 08-12-2017, 12:16 AM
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Ok I wrote him.

I didn't even think about there being a coolant level sensor in early cars that later cars didn't have.
Old 08-12-2017, 12:30 AM
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I used this tank (Dorman 603-140 Pressurized Coolant Reservoir) and bypassed the low coolant sensor (put a jumper wire in it to make connection) !!!!! ( I have a 99) I can see if there is coolant don't need a sensor to tell me !!!

Last edited by Pounder; 08-12-2017 at 12:39 AM.
Old 08-12-2017, 12:33 AM
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So just leave the connector unplugged, or put a jumper wire in it to complete the circuit?
Old 08-12-2017, 11:29 AM
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I wonder if that has the float level in it, Amazon doesn't say, also says doesn't fit a 1999 Corvette?

Old 08-12-2017, 11:59 AM
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Originally Posted by 1999corvettels1
I wonder if that has the float level in it, Amazon doesn't say, also says doesn't fit a 1999 Corvette?

heres what I bought and I will use it one day when mine starts leaking

ACDelco 10430189 GM Original Equipment Radiator Surge Tank + GM oem cap...Grand Total: $57.68 (this was after I used my $50 gift card for opening an Amazon CC)
Old 08-12-2017, 12:03 PM
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the Dorman was major heavy duty !!! seemed beefier than the stock ???
Old 08-12-2017, 12:37 PM
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That amazon credit card, with the 50.00 gift, can you use it for anything or just buying off amazon?
Old 08-12-2017, 01:56 PM
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Default Aluminum?

Has anyone installed the aluminum expansion tank in corvette central catalog?
Old 08-12-2017, 03:36 PM
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Originally Posted by 1999corvettels1
That amazon credit card, with the 50.00 gift, can you use it for anything or just buying off amazon?


not sure...I think its an Amazon visa card...I didn't even receive it in the mail yet...you can probably google Amazon and get the cc info from their site...

Last edited by Yello95; 08-12-2017 at 03:36 PM.
Old 08-12-2017, 03:39 PM
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Originally Posted by Pounder
the Dorman was major heavy duty !!! seemed beefier than the stock ???
Stock GM part is good enough for me....lasted 13+ years so far...I got another one just incase...im collecting all the C5 parts I can get because GM has discontinued most of them
Old 08-12-2017, 03:41 PM
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The dealer wants $135 for the factory plastic with sensor. The advantage would be it would never crack or leak. Similar scenario with the all- aluminumDewitt's radiators are pretty pricey but eliminate the failure mode.
Old 08-12-2017, 03:48 PM
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Originally Posted by Leenorm1
The dealer wants $135 for the factory plastic with sensor. The advantage would be it would never crack or leak. Similar scenario with the all- aluminumDewitt's radiators are pretty pricey but eliminate the failure mode.
That's the exact same GM part I got but not from the stealership...mine would have been $92 minus the $50 gift card on Amazon

Last edited by Yello95; 08-12-2017 at 05:13 PM.
Old 08-12-2017, 03:59 PM
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Try the Corvette salvage yards and GM Parts Online.

Last edited by The Rabbi; 08-12-2017 at 03:59 PM.
Old 08-12-2017, 04:13 PM
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Originally Posted by 1999corvettels1
So just leave the connector unplugged, or put a jumper wire in it to complete the circuit?
If you leave it unplugged you'll have the annoying Low Coolant Level message. By jumpering it your fooling it to think the level is good thus eliminating the level alert

Last edited by SG Lou; 08-12-2017 at 08:33 PM.
Old 08-12-2017, 05:29 PM
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I think the Dorman will work, just jumper that harness.

Or for 90.79 plus shipping rock auto has the AC Delco tank with sensor, maybe I should just get it.
Old 08-12-2017, 05:58 PM
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Originally Posted by 1999corvettels1

I think the Dorman will work, just jumper that harness.

Or for 90.79 plus shipping rock auto has the AC Delco tank with sensor, maybe I should just get it.
Yep...unless you want to do what I did and save $50 by opening an Amazon Charge card no fees involved and get an automatic gift card for $50...it makes $ sense
Old 08-12-2017, 08:34 PM
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Originally Posted by 8VETTE7
If you feel that you just have to have the working coolant sensor then that is how you need to go.

Just as an FYI the low coolant sensing feature is not on 2000 - 2004 C5 and I have never seen anyone post any negativity about not having the feature. I have seen a number of posts about the sensor on the early cars getting crapped up from scum in the cooling system and showing low coolant when the level was actually fine............. Perhaps that is why GM eliminated the feature?????

Your call as after all its only money...
My 04 seems to do just fine without one
Old 08-15-2017, 01:34 AM
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After my tank exploded in El Paso leaving me stranded I would totally do the aluminum tank.

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