Coolant Reservoir
Thread Starter
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,441
Likes: 2,186
From: Buffalo Texas
Coolant Reservoir
do any of you know what the difference???
2000 base Coolant Reservoir
Dorman 603-140 Pressurized Coolant Reservoir
GM 10430189
and a 1999 base Coolant Reservoir
GM 10405218
they look the same I was wondering if the sensor plug wiring is different ????
the part numbers are the same 2000 and above different 1999 and older ???
2000 base Coolant Reservoir
Dorman 603-140 Pressurized Coolant Reservoir
GM 10430189
and a 1999 base Coolant Reservoir
GM 10405218
they look the same I was wondering if the sensor plug wiring is different ????
the part numbers are the same 2000 and above different 1999 and older ???
Thread Starter
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,441
Likes: 2,186
From: Buffalo Texas
97 - 99 surge tanks have a low coolant sensor in the bottom and an electrical connection that needs to be made so that feature works.
When the coolant level is low there is a message that appears in the DIC indicating the condition.
2000 and later year surge tanks do NOT have the sensor. In fact according to the owners manual there is not even an error message for that condition on 2000 and later year C5's.
You can use either tank on the 2000 and later just no place to plug in the lead if you use a 99 or earlier surge tank. If the later year tank is used on the 99 and earlier year cars then the low coolant feature does not work.
When the coolant level is low there is a message that appears in the DIC indicating the condition.
2000 and later year surge tanks do NOT have the sensor. In fact according to the owners manual there is not even an error message for that condition on 2000 and later year C5's.
You can use either tank on the 2000 and later just no place to plug in the lead if you use a 99 or earlier surge tank. If the later year tank is used on the 99 and earlier year cars then the low coolant feature does not work.
Thread Starter
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,441
Likes: 2,186
From: Buffalo Texas
Dorman 603-140 Pressurized Coolant Reservoir
went to the Dorman site this has the low Coolant sensor on it for above year 99 you just don't use it !!!
less than 54 dollars at Amazon !!!!!!!!
went to the Dorman site this has the low Coolant sensor on it for above year 99 you just don't use it !!!
less than 54 dollars at Amazon !!!!!!!!
Thread Starter
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,441
Likes: 2,186
From: Buffalo Texas
Less than $53 on Ebay shipped free.
Says "where applicable" for the sensor on the Dorman site. Never bought a Dorman but I know for a fact that the Delco replacement does NOT have a sensor if you get the part for the 2000 and later.
I just saw that you have a 99. Looked up a 99C5 on the Dorman site and they do NOT list a coolant reservoir for 99. I would think that their part 603-140 does NOT work properly with the 99 given no listing on their site... I could be wrong....
Says "where applicable" for the sensor on the Dorman site. Never bought a Dorman but I know for a fact that the Delco replacement does NOT have a sensor if you get the part for the 2000 and later.
I just saw that you have a 99. Looked up a 99C5 on the Dorman site and they do NOT list a coolant reservoir for 99. I would think that their part 603-140 does NOT work properly with the 99 given no listing on their site... I could be wrong....
PRODUCT DESCRIPTION
Dorman’s Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.
Comes with reservoir cap
Level sensor included (where applicable)
Direct replacement for a proper fit every time
Quality tested to ensure trouble-free installation and performance
Thread Starter
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,441
Likes: 2,186
From: Buffalo Texas
I appreciate your input !!!!!!
Burning Brakes
Joined: Jul 2013
Posts: 1,008
Likes: 57
From: Kensington MD
Rockauto lists only the Delco 10405218 for $70.79 for the '99. They list the Dorman 603140 and Delco 10430189 for the '00. That tells me the Dorman part doesn't fit the '98-99, probably because it doesn't have the sensor.
