Yep. mostly when it comes to heater core leaks there ain't no good news. Truth is there isn't a job more frustrating on any kind of vehicle than a heator core replacement. I agree with the owner; try the hoses first. If it helps, great, if not then go from there.
Brian


Brian Rodgers
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1989 Isuzu Pup gasser
2-86 Isuzu Trooper turbo diesels (1 good 1 bad)
Many gallons of biodiesel since 2005