Grand Prix V6-191 3.1L (1989)
Heavy Duty Coolant Fan: Initial Inspection and Diagnostic Overview
1.
If both coolant fans do not operate, check IGN fuse. On 1991 Regal models, check FAN fuse also.
2.
If a coolant fan does not operate, check fusible links E and G on 1989-90 models and N and L on 1991 models.
3.
If coolant fan runs with ignition switch in OFF position, replace suspect coolant fan relay.
4.
On 1989-90 models, if both primary and secondary coolant fans do not come on when refrigerant pressure exceeds 200 psi, disconnect A/C
refrigerant pressure switch. If fans come on, replace switch.
