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Leaking Radiator Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting kingjim9 User May 29, 2008, 1:15 PM Post #1 of 4 (1637 views) Leaking Radiator Sign In My radiator has developed a small pin hole leak in the inside (facing engine) upper part of the radiator. Sometimes it doesn't leak for days on end others it leaks a few times per trip. I pressure tested and it leaked right at the operating pressure (15psi) it would release pressure down to 13ish and stop leaking. Has anybody had any luck as far as additives and if so which ones? It's an aluminum radiator so I figured the cost to get it repaired would be close to the cost of a new one. Tom Greenleaf Ultimate Carjunky / Moderator May 30, 2008, 4:32 AM Post #2 of 4 (1632 views) Re: Leaking Radiator Sign In What kind of car? Certainly the best fix is to replace it with new. If an expensive one the fix could be effective also. For sealers you do that AYOR of it not working, causing another problem, and it's really a coverup even when it works so you always have the problem lurking. I have had good luck with a Mac's product called "Radiator Sealer and Block Repair" sold by NAPA which is not just sawdust and makes a tad of gel. If you try something like that I strongly suggest using about 1/4 of what's suggested on the container and if it doesn't work pretty well and fast bite the bullet and fix the problem. Sealers can clog heater cores easily and if rad is partly restricted now just makes that worse, T kingjim9 User May 30, 2008, 1:27 PM Post #3 of 4 (1624 views) Re: Leaking Radiator Sign In It's a 94 Plymouth Acclaim 4cyl 2.5l I know that the sealers would be AYOR, i'm just trying to get this through summer and probally sell it in August. The cheapest i've found a new radiator for was around $87. I've been trying to find a used one from a salvage yard but it seems the only one in my area that actually sells parts wants $125 for a used one (Imagine that) way2old Veteran / Moderator May 30, 2008, 1:30 PM Post #4 of 4 (1623 views) Re: Leaking Radiator Sign In Have you checked with radiator shop to see if they can repair? Being way2old is why I need help from younger minds   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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