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You are probley hearing the electric fuel pump.
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∙ 15y ago
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Changing oil cooler lines on a 2001 1500HD?
Changing the oil cooler line assembly on a 2001 1500HD Silverado, how long should this job take and what if any special tools are needed?
Where would oil be leaking from in a 2001 gmc 1500hd transfer case that everything seems to be tight?
shaft axle seals
What is the cause of a humming sound in a 2001 Kia Sportgage?
It's most likely to be a wheel bearing if you jack ur car up an spin each wheel if you hear a rough sound it's a wheel bearing
Stock rear end gear ratio in a 2001 Chevy silverado 1500hd?
3:73 with 4:10 as option
Blower on 2001 Buick wont recirculate and increase speed only makes noise?
2001 buick lesabr // when recirculate speed doesnt change only make humming sound rest of heater works fine
Why does my 2001 Buick Lesabra makes a low humming sound only when driving not when stoped or not when it is stoped and you accelerate it?
The 2001 Lesabre may have a bad wheel bearing. Check the bearings for all four wheels for a bad bearing.
How many valves does the 2001 GMC Sierra-1500 have?
The 2001 GMC Sierra-1500 has 12 valves.
What size engine does the 2001 GMC Sierra-1500 have?
The 2001 GMC Sierra-1500 has a V6 engine.
What size engine does the 2001 GMC Sierra-2500HD have?
The 2001 GMC Sierra-2500HD has a V8 engine.
How many valves does the 2001 GMC Sierra-2500HD have?
The 2001 GMC Sierra-2500HD has 16 valves.
Is the 2001 GMC Sierra-2500HD electric or gas?
The 2001 GMC Sierra-2500HD is a gas-powered vehicle.
What is the cam type of the 2001 GMC Sierra-2500HD?
The 2001 GMC Sierra-2500HD has overhead valves (OHV).
