- 302 redirects pass google link juice. 302 redirects pass pagerank.
- 302 redirects pass as much link juice as 301 redirects. 302 are treated as 301 redirects.
- No link juice is lost during a 302 redirect. This means that no PageRank is lost during a 301 redirect.
Google Official statement:
# Do I lose “link juice” from the redirects? No, for 301 or 302 redirects from HTTP to HTTPS no PageRank is lost.John Mueller