New Radiator for 96 9C1 Caprice - Help! - Chevy Impala SS Forum
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post #1 of 12 (permalink) Old 04-29-2015, 01:12 PM Thread Starter
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New Radiator for 96 9C1 Caprice - Help!

I want to order a new radiator for my 96 9C1 since mine has a leaking drivers side tank. Searching on here indicated the Spectra CU1516 is a quality piece and has the correct tucked in tank to clear the oil cooler lines. But when I went on Amazon to order it it tells me it will not fit my car. The Spectra site says it fits the 94s and 95s, 96 SS and a 96 L99 Caprice but not the LT-1 Caprice. Eyeballing my rad against the picture it looks the same. Has anyone used this radiator in a 96 9C1? Were there any problems? Thanks for any help you can provide.

Don Rundgren
McKinney, Texas
1996 Caprice 9C1
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post #2 of 12 (permalink) Old 04-29-2015, 01:33 PM
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I can't tell you if it will fit the 9c1, but I do have one in a box if you need actual pics and not just generic Web pics. I thought the only difference was it either had provisions for oil cooler lines, or it doesn't.
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post #3 of 12 (permalink) Old 04-29-2015, 03:41 PM
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Quote:
Originally Posted by TxDon View Post
I want to order a new radiator for my 96 9C1 since mine has a leaking drivers side tank. Searching on here indicated the Spectra CU1516 is a quality piece and has the correct tucked in tank to clear the oil cooler lines. But when I went on Amazon to order it it tells me it will not fit my car. The Spectra site says it fits the 94s and 95s, 96 SS and a 96 L99 Caprice but not the LT-1 Caprice. Eyeballing my rad against the picture it looks the same. Has anyone used this radiator in a 96 9C1? Were there any problems? Thanks for any help you can provide.
There are 2 seperate radiators, 1 for the Caprice/impala and 1 for the 9c1 cars with the external oil cooler lines. The 9c1 unit side tank is indented I suppose to allow the metal lines to go past the tank.

However, I added the 9c1 cooler setup to my car with all of the factory pieces and was able to use my original rad with the normal side tank. I had plenty of clearance for the lines and see NO reason why you would need to use the 9c1 rad if you add the cooler setup.

This may not answer your specific question but gives you some ideas of what the issues may be. This was brought up a while back and I attached some pics to show what I'm talking about in this thread. As you can see, the metal lines using the factory brackets have plenty of room with the standard rad. HTH

https://www.impalassforum.com/vBullet...tor+oil+cooler

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'95 Caprice SS conversion - Bonny Buckets - 96 Column, Shifter and Console - 3.73 Gear and Herter tune - Z/28 Cluster - Blazer OH Console - Green/Pink bushings - Chromed Impala Wheels - Eibach Springs and Bilstein Shocks - Corvette Engine Dress - the list goes on and still more to do...it never ends.
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post #4 of 12 (permalink) Old 04-29-2015, 03:56 PM Thread Starter
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Thanks, I'm beginning to think Spectra's application list is screwed up. It shows the 1516 as correct for a 96 SS but the SS needs the oil cooler in the drivers side tank which this rad does not have. I'm still hoping someone on the forum has used it on a 96 9C1 which would clear it for me.

Don Rundgren
McKinney, Texas
1996 Caprice 9C1
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post #5 of 12 (permalink) Old 04-30-2015, 12:29 PM Thread Starter
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Anybody? I'm going to get the dimensions of the 1516 off the Spectra website and compare to mine, we will see.

Don Rundgren
McKinney, Texas
1996 Caprice 9C1
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post #6 of 12 (permalink) Old 05-01-2015, 12:30 PM Thread Starter
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Dimensions are the same as what is in my car, I ordered the rad yesterday.

Don Rundgren
McKinney, Texas
1996 Caprice 9C1
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post #7 of 12 (permalink) Old 05-03-2015, 11:01 PM Thread Starter
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I received the new radiator and installed it today, it fit perfectly. My old rad was not leaking at the tank gasket, it had a large crack in the drivers side tank - would not have lasted much longer without a blowout. The differences from my old rad: The core is actually about 1/4" to 3/8" thicker - that's good! It also had a nipple on top of the passenger side tank that I think is for a 94, it was plugged.

Pretty easy install but I do have one problem - when I drained the old rad the overflow tank stayed full and would not let me put the fluid back in. I started it and ran it until the thermostat opened thinking it would open up but it never did even after it cooled off - what's the secret? HELP!
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Don Rundgren
McKinney, Texas
1996 Caprice 9C1
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post #8 of 12 (permalink) Old 05-04-2015, 07:21 AM
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The 9C1 Radiator does not have an internal engine oil cooler like the standard Caprice/SS Radiator. It's actually narrower width wise.

To properly bleed the cooling system.
1) Jack up car so front wheels are about 8" or so off the ground, use jackstands to support.
2) Open bleeder screw, brass fitting with spot for screwdriver, on upper radiator hose connection on the water pump.
3) pour coolant into reservoir until you see a stream of coolant coming out of bleeder screw and then close the bleeder screw.
4) start car and let it warm up until the thermostat opens and you see coolant
moving in the reservoir.
5)top off reservoir as needed when the thermostat opens and let car run for a few minutes until its total up to temp and turn on your heater and make sure it gets hot
6) shut car off, take down off stands and let cool and then check the reservoir level when its cold and top off to full cold line.

you should be good to go at that point

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post #9 of 12 (permalink) Old 05-04-2015, 10:29 AM Thread Starter
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Thanks, I planned to do all that but my problem is that I can't add coolant through the reservoir because it is full and won't let me. When I drained the radiator I opened the bleeder but the reservoir and I assume the block never drained. I plan to pop the lower heater hose and drain which I hope will empty the top of the system and then let me fill it back up and follow the normal steps.

Don Rundgren
McKinney, Texas
1996 Caprice 9C1
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post #10 of 12 (permalink) Old 05-04-2015, 12:34 PM
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Quote:
Originally Posted by TxDon View Post
Thanks, I planned to do all that but my problem is that I can't add coolant through the reservoir because it is full and won't let me. When I drained the radiator I opened the bleeder but the reservoir and I assume the block never drained. I plan to pop the lower heater hose and drain which I hope will empty the top of the system and then let me fill it back up and follow the normal steps.
Pulling the heater hose off the pump will drain the tank and should take the coolant level in the block down to a level where the WP bolts to the block. This is what I did when replacing the WP and it kept the spills to a minimum.

You will still have quite a bit left in the block unless you pull the knock sensors. You will also still have coolant in the heater core unless that is blown out.

================================================== =============


'95 Caprice SS conversion - Bonny Buckets - 96 Column, Shifter and Console - 3.73 Gear and Herter tune - Z/28 Cluster - Blazer OH Console - Green/Pink bushings - Chromed Impala Wheels - Eibach Springs and Bilstein Shocks - Corvette Engine Dress - the list goes on and still more to do...it never ends.
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