radiators and w/pump seal pellets?
Submitted: Tuesday, Nov 16, 2004 at 20:07
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dogart
I have been told that the pellets used to help stop coolant leaking from the
water pump seal can be bad news for your radiator.
That they can clog the small vents in the rad core and cause the car to overheat.
I have crushed the pellets up into a powder ready to add but now I'm not sure!!!
Any truth to this?
As I have been told that this warning comes from an expert from NAT-RAD.
For $6 I thought it was at least worth a shot if it may stop the slight leak.
Any info welcomed.
cheers
wolf
Reply By: Dave - Tuesday, Nov 16, 2004 at 20:15
Tuesday, Nov 16, 2004 at 20:15
Don't do it unless you are stranded out in the bush!
The experts ? from Nat-Rad are right. You will have overheating problems in hot weather if it is left in.
If you do use it you will still have to have the radiator cleaned out and rodded/repaired.
AnswerID:
84615
Reply By: SteveL - Tuesday, Nov 16, 2004 at 21:07
Tuesday, Nov 16, 2004 at 21:07
I have to second what Dave says,the quick fix will only lead to more serious problems down the track.I once used them to fix a leaking welsh plug only to have
the plug develop a half inch hole a few days later.-Steve L.
AnswerID:
84626
Reply By: Chaz - Tuesday, Nov 16, 2004 at 22:17
Tuesday, Nov 16, 2004 at 22:17
Hi dogart,
As the others have said, I wouldn't use it unless you have to, having said that, I did seal a cracked head in my last 4by and it lasted 3 years with Bars Leaks. The active compound only seals a leak when there is Oxygen available so it shouldn't block any internal galleries unless you run low on
water. It use to continually block my radiator filter, so I removed that, but I had no problems with it blocking the radiator core.
The short answer is to replace the
water pump.
Good Luck
Chaz
AnswerID:
84644
Reply By: cokeaddict - Tuesday, Nov 16, 2004 at 23:28
Tuesday, Nov 16, 2004 at 23:28
Wolf,
That product is an EMERGENCY fix only. Its designed to get you out of trouble. The idea is to get rid of it as soon as possible and get the damage repaired.
Dont leave it in or your wallet will feel alot lighter soon.
Cheers Angelo
AnswerID:
84652
Reply By: Davoe - Tuesday, Nov 16, 2004 at 23:57
Tuesday, Nov 16, 2004 at 23:57
water pumps arnt that dear. another thing to try is to drop the
water until it is just above the fins of the radiator (wont affect cooling) and have no
water in the overflow. I stopped my pump from leaking like this and changed it 14k later
AnswerID:
84658
Reply By: Top Cat - Wednesday, Nov 17, 2004 at 10:55
Wednesday, Nov 17, 2004 at 10:55
Obviously you are now aware that this would be a huge mistake.
Now to the next problem...........how to fix it...........Is the leak coming from the gasket area or from out of the bearing??
If its from the gasket area then its easily fixed with some gasket goo............Any decent liquid gasket goo in a tube will do the job...........I have found it works just as
well as a proper paper or calk gasket and for anything from
water to oil to petrol.
If it is the bearings then its time for a new
water pump and dont even think about being scabby..........fact is that that is an early
warning sign its about to completely colapse...........if that happens when ur out the back of no where then ur in trouble.
Also when putting the new one on...........make sure u dont over tighten the fan belt as that will cause the bearings to stuff up much quicker.
Ask any mechanic to show u how much tension.........it will take them 2 seconds and they wont charge for it.
Cheers.
AnswerID:
84683