Lower radiator seal - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**The Rocknrod** · 11-01-2021, 02:45 PM

Does the lower radiator seal that ataches to the splash pan, does it go over or below (as shown from below) the cross member?

AcampoDave · 11-01-2021, 07:03 PM

Wow, I never knew there ever even was one. I saw what looked like staple holes in mine ut didn't give it too much thought. Now, I gotta get me one o' those. Hope the over or under dilemma gets resolved soon but under makes more sense to me because over would put the runoff in the crossmember.

**The Rocknrod** · 11-02-2021, 12:29 PM

Quote:

Originally Posted by AcampoDave

Wow, I never knew there ever even was one. I saw what looked like staple holes in mine ut didn't give it too much thought. Now, I gotta get me one o' those. Hope the over or under dilemma gets resolved soon but under makes more sense to me because over would put the runoff in the crossmember.

That makes sense. What I was thinking is the front of the radiator is sealed from the engine side of the radiator except at the bottom. I wonder why?

AcampoDave · 11-02-2021, 11:01 PM

They really did put a lot of thought into directing the air flow on these trucks. The radiators are baffled on the sides, top, and bottom. The air openings on the hood clearly have some science to them too what with the seal around the hood latch and those "wings" bolted between the core support and the body.

I found out how important baffles are when I added an A/C and there was a gap all across the top and bottom of the condenser because it was spaced a bit foreward of the radiator. The system short cycled in traffic for lack of air draw from the engine fan. After I sealed those gaps with some baffles of my own, everything worked perfectly.

Btw, where'd you get that thing anyhow?

**The Rocknrod** · 11-02-2021, 11:37 PM

Probably at the Truck Shop in Orange, CA when I was out there. Page 93 in their catalog. You can also view and order online. Oh wait, stop the press I just saw what they call a " radiator support to radiator seal" set same page.
The one in my pic is the "splash pan to radiator seal". I wonder what the others are. One has 5 holes in it, maybe its across the top? Or is that for the hood latch seal?

11-01-2021, 02:45 PM	#1
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Lower radiator seal Does the lower radiator seal that ataches to the splash pan, does it go over or below (as shown from below) the cross member? Attached Images __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats?

11-01-2021, 07:03 PM	#2
AcampoDave Registered User Join Date: Feb 2013 Location: central California Posts: 2,774	Re: Lower radiator seal Wow, I never knew there ever even was one. I saw what looked like staple holes in mine ut didn't give it too much thought. Now, I gotta get me one o' those. Hope the over or under dilemma gets resolved soon but under makes more sense to me because over would put the runoff in the crossmember.

11-02-2021, 11:01 PM	#4
AcampoDave Registered User Join Date: Feb 2013 Location: central California Posts: 2,774	Re: Lower radiator seal They really did put a lot of thought into directing the air flow on these trucks. The radiators are baffled on the sides, top, and bottom. The air openings on the hood clearly have some science to them too what with the seal around the hood latch and those "wings" bolted between the core support and the body. I found out how important baffles are when I added an A/C and there was a gap all across the top and bottom of the condenser because it was spaced a bit foreward of the radiator. The system short cycled in traffic for lack of air draw from the engine fan. After I sealed those gaps with some baffles of my own, everything worked perfectly. Btw, where'd you get that thing anyhow? Last edited by AcampoDave; 11-02-2021 at 11:14 PM.

11-02-2021, 11:37 PM	#5
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Lower radiator seal Probably at the Truck Shop in Orange, CA when I was out there. Page 93 in their catalog. You can also view and order online. Oh wait, stop the press I just saw what they call a " radiator support to radiator seal" set same page. The one in my pic is the "splash pan to radiator seal". I wonder what the others are. One has 5 holes in it, maybe its across the top? Or is that for the hood latch seal? Attached Images __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? Last edited by The Rocknrod; 11-03-2021 at 04:06 PM.

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