Coolant Leaking Problems of Chevrolet Suburban
Chevrolet Suburban owners have reported 3 problems related to coolant leaking (under the engine and engine cooling category).
#1 - Coolant Leaking problem of the 2003 Chevrolet Suburban
The car involved is a 2003 Chevrolet Suburban 1500. The vehicle identification number (VIN) of the car was 3GNFK16Z33_. 2003 chevy Suburban 1500 4wd 5. 3l gm has a known issue with the heads on these vehicles with the 5. 3l engines. The company (castech) who made the heads let them go with a defect that allows coolant to leak into the motor. Gm has a TSB on it as well #06-06-01-019b
it can cause possible overheating due to coolant loss, as it leaks into the engine it creates rough idle and a slight missfire which will damage the converter sometime in the future. They know about this defect and should be forced to replace these heads with different ones. The only way to correct this issue is to replace the heads with another company. It was Sat., Nov. 28, 2009 when this coolant leaking issue occurred.
See all problems of the 2003 Chevrolet Suburban.
#2 - Coolant Leaking problem of the 2002 Chevrolet Suburban
The vehicle was a 2002 Chevrolet Suburban. While driving approximately 40 mph, the check coolant warning light illuminated on the instrument panel. The illumination continued until coolant was added to the tank. The contact observed a gradual cooling loss over a period of time, but there was no evidence of a leak. The vehicle was taken to an authorized dealer and they stated that there was a crack in the cylinder head, and coolant was leaking in the oil chambers. The mechanic stated that the cylinder head needed to be replaced. The failure and current mileages were 96,000. Updated 07/16/08. Updated 07/16/08. The failure date was May. 22, 2008.
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#3 - Coolant Leaking problem of the 1996 Chevrolet Suburban
The vehicle involved is a 1996 Chevrolet Suburban. The vehicle's vehicle identification number (VIN) is 3GNFK16R3T_. 1) major coolant leak from intake/cyl head gasket (left rear of motor) (2) engine trouble light indicates tc 1870 code problem in transmission valve body (3)windshield wipers work intermitently safety hazard (4) a/c dash lights cycle on and off when a/c button is pushed on but fan motor is shut off. All problems are "common" per dealership service writer. It was Jun. 16, 2001 when this coolant leaking issue occurred.
See all problems of the 1996 Chevrolet Suburban.