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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'97 GMC Suburban, Quick Connect Coolant Leak

Q: The heater hose quick disconnect on my '97 Chevy Suburban with a 5.7L is leaking. I've got the replacement part, but getting the old one out is proving to be a HUGE pain in the butt. Is there an easy way to get the old one off?

A: Those quick connect fittings were a great idea. The only problem is that with age they're a bad idea. Cooling system corrosion just eats them and when you get ready to replace them they'll snap off, leaving the hardest part of the job broken off in the intake manifold or water pump. There is an aftermarket tool that works pretty slick at extracting the broken part about 50% of the time. The other 50% is just time working at getting what the tool wouldn't remove. Also be aware that there are 2 different part numbers. One quick connect looks like it is made of powder metal and the other of steel. I prefer the steel quick connect when I replace them. Note! Flush the cooling system. Acidic coolant is the main cause for failure of these connectors.

 
     
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