How do you replace red spring in the refrig door?

I need to replace red spring in front refrig door and am not sure how to. Any help is appreciated

Here are your parts
Replacement parts for WHIRLPOOL KSSP42QFW05 | AppliancePartsPros.com

This should help with the replacement, looks like a bit of a pain.
Whirlpool Refrigerator KAR-11 KA 2001 K Model BI SxS Refrigerator with Variable Capacity Compressor Service Manual - ApplianceDigest.com
You will have to join the site to download the manual but it is a great site for appliance info.