GMC Jimmy 1999 Owner's Manual
![GMC Jimmy 1999 manual cover](/images/wiTGGEodTGJwzRfcjHmNDHwD/thumbs/thumb175x175.webp)
The recommended oil type for a 1999 GMC Jimmy is 5W-30 for optimal performance in most climates.
To reset the "Check Engine" light, disconnect the battery for about 15 minutes. Reconnect it and start the engine to see if the light has reset.
The towing capacity of the 1999 GMC Jimmy is approximately 5,500 pounds when properly equipped.
It is recommended to change the transmission fluid every 30,000 to 50,000 miles for a 1999 GMC Jimmy.
Common causes for overheating include a faulty thermostat, low coolant level, a clogged radiator, or a failing water pump.
To replace the headlight bulb, open the hood, remove the headlight assembly by loosening the screws, disconnect the wiring harness, and replace the bulb. Reassemble in reverse order.
A squealing noise when braking typically indicates worn brake pads that need to be replaced.
Check the coolant level by inspecting the coolant reservoir when the engine is cold. The level should be between the 'Min' and 'Max' marks.
The correct tire pressure for a 1999 GMC Jimmy is typically 30 PSI for both front and rear tires. Refer to the owner's manual or the placard inside the driver's door for specific recommendations.
To improve fuel efficiency, keep tires properly inflated, perform regular maintenance, reduce excess weight, and drive at consistent speeds.