2001 Suburban 5.3 leaking coolant
95

Asked by worntele Mar 03, 2016 at 06:35 PM about the 2001 GMC Yukon XL 1500 SLE

Question type: Maintenance & Repair

coolant is leaking at rear of engine. its an external leak that puddles under the
car but I cant tell where it originates. engine oil is normal, performance is fine
except for temperature rise after several hours of operation.

4 Answers
224,145

Rowefast answered 8 years ago

Probably the heater hose that hooks into the back of the intake.

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95

worntele answered 8 years ago

I like your answer! I thought hose "connection" but hose itself makes good sense. Any tips or tricks for replacement?

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224,145

Rowefast answered 8 years ago

Well the way they have those connected, it is possible it is the connection also. You have to pinch the plastic tab and work it out. They make new connectors, and molded heater hose for that one. Also by the looks of it there is a coolant bypass hose that goes by things to rub on. So just check the heater hoses & connections.

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