One problem related to air conditioner has been reported for the 2004 GMC Safari. The most recently reported issues are listed below.
The contact owns a 2004 GMC Safari. The contact stated that the vacuum hose failed in her vehicle. She took the vehicle to a mechanic, who discovered a hole in the air conditioning line. The failure was caused by the air conditioning line rubbing against the fuel line. The mechanic stated that the repair for the air conditioning line would cost between $800-$1,000. She was advised to call the manufacturer because the defect appeared to be weakening the fuel line. The manufacturer stated that there was no recall for the issue and referred her to NHTSA. The current and failure mileages were approximately 134,000.