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Question

i have a 2000 chevy blazer 2door 4wd, i am hearing bubbling under the dash passengerside while pressing on gas pedal, is the sound the heater core going bad, or something else?

Submitted: 236 days and 18 hours ago.

Category: Chevy

Value: $9

Status: AWAITING CUSTOMER ACTION

Answer

Yes, the heater core either has air in it or a partial blockage. You can try disconnecting the heater hoses at the firewall and backflushing the heater core with air or water. If unsuccessful you need a new heater core...in order to replace that you need to remove the entire dash assembly.

Accepts:
Expert:	Dan
Pos. Feedback:	99.0 %
Answered:	3/31/2009

Auto Technician

GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified

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