Draining coolant reservoir

2012 NISSAN NV
116,000 MILES • 6 CYL • 2WD • AUTOMATIC
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STEVEMEISY
  • MEMBER
  • 1 POST
When draining my coolant do I remove the cap from reservoir or radiator or both?
May 14, 2021 at 11:43 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

You can remove both. It will allow air to enter the system faster and drain things faster as well.

First, here is a link you may find helpful. It explains, in general, the procedure for draining and flushing the system.

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

If you look at the attachments below, they include the directions specific to this vehicle for draining, refilling, and bleeding the system.

I hope this helps. Let me know if you have other questions.

Take care,

Joe

See pics below.
May 15, 2021 at 11:13 PM
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