| Radiator Coolant [message #165126] |
Tue, 03 April 2012 00:29  |
RadioActiveGMC
Messages: 1020
Registered: November 2010
Location: Hot AZ desert
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I can't find my manual currently (my coach is always getting worked on and m manual is someplace in there!) I drained my coolant and replaced my upper and lower radiator hoses I bought from Jim K. Anyone know off hand how much Coolant it will need. I bought 2 gallons and have about 3/4 of a gallon at my shop I can use. But didn't know the capacity and can't find the manual right now.
***"Gettin There"-1973 23' Sequoia-
Michael, Onans smell, "Go solar/wind power!"
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| Re: Radiator Coolant [message #165127 is a reply to message #165126] |
Tue, 03 April 2012 00:52  |
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John Heslinga
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
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Cooling Capacity is:
21 Quarts from dry.
Just a reminder: that you should have 50/50 Mix of Anti-freeze.
Best Regards
John and Cathie Heslinga
1974 Canyonlands 260
455, Manny tranny and 1 ton, 3:70 LS,
Red Seal Journeyman, DTE, BEd. MEd.
Edmonton, Alberta
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| Re: [GMCnet] Radiator Coolant [message #165128 is a reply to message #165126] |
Tue, 03 April 2012 00:53 |
rssbob
Messages: 259
Registered: January 2004
Location: La Mesa, Ca. (San Diego a...
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Michael,
You can down load the manuals and always have them available. According to the X7525 it is 21 quarts.
Bob
On Apr 2, 2012, at 10:29 PM, Michael wrote:
>
>
> I can't find my manual currently (my coach is always getting worked on and m manual is someplace in there!) I drained my coolant and replaced my upper and lower radiator hoses I bought from Jim K. Anyone know off hand how much Coolant it will need. I bought 2 gallons and have about 3/4 of a gallon at my shop I can use. But didn't know the capacity and can't find the manual right now.
> --
> ***"Gettin There"-1973 23' Sequoia-
> Michael, Casa Grande, AZ
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78 Palm Beach
La Mesa, Ca
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| Re: Radiator Coolant [message #165129 is a reply to message #165126] |
Tue, 03 April 2012 01:01 |
RadioActiveGMC
Messages: 1020
Registered: November 2010
Location: Hot AZ desert
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I'll have to see if I can load them on to my Ipad. That would be helpful! I'll have to see where they are located and if its possible to install them on it.
I do not have the rear water heater hooked up, I took it out when I put the instant on one in. I'm sure there still has to be some in the block. But the radiator is empty. Do you think 2.75 gallons will be enough or should I pick up a gallon or 2 on the way to work. I'm guessing 21 quarts is for the entire system.
***"Gettin There"-1973 23' Sequoia-
Michael, Onans smell, "Go solar/wind power!"
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| Re: Radiator Coolant [message #165162 is a reply to message #165126] |
Tue, 03 April 2012 10:20 |
RadioActiveGMC
Messages: 1020
Registered: November 2010
Location: Hot AZ desert
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I may need to buy another gallon. I would drain it fully again from the block. But my engine was rebuilt less then a 3000 miles ago and this is the 3rd time I changed the fluid! lol First time I guess technically the mechanic did it. Second time I did it last summer just out of precaution but the distilled water idea would be good if the fluid wasn't so fresh. I could of collected it and reused it, but its a long story how it ended up all over me and the ground..(I hate the taste of coolant!) lol I just disconnected my water heater and I hope I routed the hoses correctly. But today I want to put coolant back in her.
***"Gettin There"-1973 23' Sequoia-
Michael, Onans smell, "Go solar/wind power!"
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| Re: Radiator Coolant [message #165175 is a reply to message #165126] |
Tue, 03 April 2012 10:56 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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I used at least 3 gallons in mine possibly 4 then and a like amount of distilled water(Aluminum Radiator). Don't forget the overflow tank. Drain the radiator and both block plugs. If the 3/4 gallon on your shelf is old don't use it as antifreeze has a shelf life. I found out the other day that SuperTec at walmart is made by Honeywell as is Prestone,so I guess they are the same stuff.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: Radiator Coolant [message #165177 is a reply to message #165175] |
Tue, 03 April 2012 11:05 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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| roy1 wrote on Tue, 03 April 2012 10:56 |
I found out the other day that SuperTec at Walmart is made by Honeywell as is Prestone,so I guess they are the same stuff.
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Possibly yes, or no. The main value to antifreeze, after the ethylene glycol, is all the additives. Stuff for anti-corrosion, water pump lube and who knows what else. Having the same manufacturer does not guarantee the same additive mix.
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: Radiator Coolant [message #165190 is a reply to message #165177] |
Tue, 03 April 2012 12:08 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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| midlf wrote on Tue, 03 April 2012 09:05 |
| roy1 wrote on Tue, 03 April 2012 10:56 |
I found out the other day that SuperTec at Walmart is made by Honeywell as is Prestone,so I guess they are the same stuff.
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Possibly yes, or no. The main value to antifreeze, after the ethylene glycol, is all the additives. Stuff for anti-corrosion, water pump lube and who knows what else. Having the same manufacturer does not guarantee the same additive mix.
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Do you have any suggestions as what is best for our rigs? I was told Prestone may not be a good choice. Dextron is definetly not a good choice. As far as I know those are the only basic choices.Is the pink antifreeze only a color difference?
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: Radiator Coolant [message #165193 is a reply to message #165190] |
Tue, 03 April 2012 12:20 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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| roy1 wrote on Tue, 03 April 2012 11:08 |
| midlf wrote on Tue, 03 April 2012 09:05 |
| roy1 wrote on Tue, 03 April 2012 10:56 |
I found out the other day that SuperTec at Walmart is made by Honeywell as is Prestone,so I guess they are the same stuff.
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Possibly yes, or no. The main value to antifreeze, after the ethylene glycol, is all the additives. Stuff for anti-corrosion, water pump lube and who knows what else. Having the same manufacturer does not guarantee the same additive mix.
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Do you have any suggestions as what is best for our rigs? I was told Prestone may not be a good choice. Dextron is definetly not a good choice. As far as I know those are the only basic choices.Is the pink antifreeze only a color difference?
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Get the cheapest full strength stuff like Peak at Walmart and stay away from the long life types. We use Peak in the entire fleet and the specs match the most expensive stuff out there.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: Radiator Coolant [message #165207 is a reply to message #165193] |
Tue, 03 April 2012 13:47 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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[
Get the cheapest full strength stuff like Peak at Walmart and stay away from the long life types. We use Peak in the entire fleet and the specs match the most expensive stuff out there.[/quote]
Another question. I am due to change the coolant as it is at 3 years this month on at least 3 of my vehicles all with green Prestone and a 50/50 mix. Checking the coolant with a little float gage it says they are only protected to 0 Fahrenheit Including the GMC?
My brother had the same problem with his Prestone cars but the car he has Toyota coolant in checks out OK (good protection) One of my Toyota's with Prestone that I added a quart of water to says it isn't protected. Is Toyota coolant that much better?
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: Radiator Coolant [message #165225 is a reply to message #165126] |
Tue, 03 April 2012 19:03 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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I like the cheap brands like NAPA or what is on sale of real Ethylene glycol, not the new extended life Propylene glycol and not Dexcool or any aothe others such as EOAT. Not the 'mixes with any color' stuff. I'm not so concerned about getting every last drop out of the old, though the distilled flush is good if really nasty. Don't like the flushing chemicals as you never get it all out IMHO. Just change it every 2 years and relax. Same with oil changes... you can't get it all out so if you want to clean things out, just modifly the drain interval, don't leave the plug out and filter off for hours for a dry start. And I'd always as mentioned use distilled water to cut the antifreeze to 50/50. Remember, going over 50% gives you worse cooling heat transfer and going over 70% antifreeze RAISES the winter freeze temperature, not lowers it.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Radiator Coolant [message #165233 is a reply to message #165207] |
Tue, 03 April 2012 19:47 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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When I was ready to refill the Cad500 last month, I found Peak 50/50 at
O'Reilly's for less than 1/2 the price of full strength, so I stocked up
for all the vehicles.
Ken H.
On Tue, Apr 3, 2012 at 2:47 PM, <roy...> wrote:
>
>
> [
> Get the cheapest full strength stuff like Peak at Walmart and stay away
> from the long life types. We use Peak in the entire fleet and the specs
> match the most expensive stuff out there.[/quote]
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Radiator Coolant [message #165251 is a reply to message #165233] |
Tue, 03 April 2012 22:17 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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| Ken Henderson wrote on Tue, 03 April 2012 18:47 |
When I was ready to refill the Cad500 last month, I found Peak 50/50 at
O'Reilly's for less than 1/2 the price of full strength, so I stocked up
for all the vehicles.
Ken H.
On Tue, Apr 3, 2012 at 2:47 PM, <roy...> wrote:
>
>
> [
> Get the cheapest full strength stuff like Peak at Walmart and stay away
> from the long life types. We use Peak in the entire fleet and the specs
> match the most expensive stuff out there.
|
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[/quote]
I just realized the advantage of the 50/50 stuff. You don't need to guess how much is going to go in. Normally I've always felt it was a screw job price wise but it sounds like Ken found the deal!
Bob de Kruyff
78 Eleganza
Chandler, AZ
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Took 4 gals approx with the water heater removed.