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Old 08-04-2007, 08:29 PM   #1 (permalink)
acesneights1
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Cooling system problems? Look at these...

Some of you might remember my post awhile back about overheating while towing a camper with my 95 Tahoe and wondering who's kit was better Heaths or SS. Well I went with Heath mainly because of better customer service but anyway I did the job this weekend and thanks to some helpful people on this sight I checked the Rad also. I have to admit from the outside it didn't look that dirty and I was skeptical but look at thses pics. You could not see this stuff without removing the rad. I did not trying towing yet. Probably tommorow. The Heath kit went it pretty good except the one of two nuts on the back of the PS pump sucked and the nut on the lower Vacuum pump bracket. All in all not bad . MAybe 3-4 hrs total with cleaning included. Check out the pics though.

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Old 08-04-2007, 08:50 PM   #2 (permalink)
Pruittx2
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Tis True,,,, even if they look good,,,, you should yank and clean them!
Good Job mate,,,, now get to towing!!!

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Old 08-04-2007, 09:17 PM   #3 (permalink)
acesneights1
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Tommorow...............

The testdrive. Will report results.
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1986 M1008 CUCV 6.2 J code
GM8 Turbo,DB24911
Raptor 100 lp.
NV4500(the way they should have come)
5 inch Redneckmaster Ex
Autometer Fullsweeps
Serp Belt conversion. HO WP. Dmax Fan
OD Customs 6.2/5 Diesel and MV Vehicle service
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Old 08-04-2007, 09:29 PM   #4 (permalink)
Dieseldad97
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So ace....how did you flush the inside of it out? I want to clean mine at some point and really want to know the best way to do it.
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Old 08-05-2007, 12:00 AM   #5 (permalink)
Pruittx2
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you can get some prestone stuff to add to system,,,,, drive a few days ,,, then flush,,,, when its out, put the hose to it,for a good flush,, or swing by your local radiator shop to have them hot tank it if its really gross in there,,,,
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Old 08-05-2007, 12:06 AM   #6 (permalink)
Dieseldad97
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Quote:
Originally Posted by Pruittx2;1921044;
you can get some prestone stuff to add to system,,,,, drive a few days ,,, then flush,,,, when its out, put the hose to it,for a good flush,, or swing by your local radiator shop to have them hot tank it if its really gross in there,,,,
Is this the foam stuff I've heard about? Any idea what it's called?
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Old 08-05-2007, 12:45 AM   #7 (permalink)
wild willy
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IIRC it was "oven cleaner foam" applied to the exterior rad fins to get the bug juice off and other such stuff.
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Old 08-05-2007, 01:46 AM   #8 (permalink)
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Quote:
Originally Posted by acesneights1;1920754;
MAybe 3-4 hrs total with cleaning included.
WOW. I'm impressed. I have a '95 Tahoe as well, and I have held off on the install because some have reported it was an 8-10 hour install and was a bear. Did you take photos?

Sincerely,

Rob
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Old 08-05-2007, 01:59 AM   #9 (permalink)
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Quote:
Originally Posted by Pruittx2;1920769;
Tis True,,,, even if they look good,,,, you should yank and clean them!

We keep repeating this thread over and over ... and there's always somebody new who says "I didn't have to pull mine - I got it all clean without doing that."

Usually, the same guy ends up posting back that he's still overheating, which greatly lessens my sympathy factor.

Good job on pulling yours right out, on taking pictures, and on posting them for us all to see!! Good job also for posting about the install on the new Heath cooling package; I think you're the first guy to post actual experience with installing it (there has been lots of speculation, but few hard facts).

Regarding the 'foam cleaner', there are several brands of commercial AC coil cleaners, most are self-foaming. You can also use DOW Scrubbing-bubbles Basin-Tub-Tile cleaner, in a pinch. These work good on the outside of the rad; make sure you soak it up good, let is soak to soften stuff up, then wash off with a hose. Leaf blowers or diffused air sprayershelp to get the sand out of the fins.

Use extreme caution with pressure washers or compressed air - you can mangle fins pretty easy.

As Pruittx2 says, "Good Job mate,,,, now get to towing!!!"
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Old 08-05-2007, 07:08 AM   #10 (permalink)
knkreb
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Are guys talking about that "flush" stuff in the coolant system? I did that once to a previous car, and then did a water pump a few weeks later after the seal let go. Don't know if the two were related or not... but makes me wonder.

I've heard years ago that you can use automatic dishwasher detergent for a few days to help clean stuff out....... but I don't know truth or tale on that one. Anybody have any reports good or bad on that?

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