diff --git a/requests/async.py b/requests/async.py
index 94884478..24f8a617 100644
--- a/requests/async.py
+++ b/requests/async.py
@@ -46,15 +46,15 @@ def patched(f):
     return wrapped
 
 
-def send(r, pool=None):
-    """Sends the request object using the specified pool. If a pool isn't 
+def send(r, pool=None, prefetch=False):
+    """Sends the request object using the specified pool. If a pool isn't
     specified this method blocks. Pools are useful because you can specify size
     and can hence limit concurrency."""
 
     if pool != None:
-        return pool.spawn(r.send)
+        return pool.spawn(r.send, prefetch=prefetch)
 
-    return gevent.spawn(r.send)
+    return gevent.spawn(r.send, prefetch=prefetch)
 
 
 # Patched requests.api functions.
@@ -79,10 +79,7 @@ def map(requests, prefetch=True, size=None):
     requests = list(requests)
 
     pool = Pool(size) if size else None
-    jobs = [send(r, pool) for r in requests]
+    jobs = [send(r, pool, prefetch=prefetch) for r in requests]
     gevent.joinall(jobs)
 
-    if prefetch:
-        [r.response.content for r in requests]
-
     return [r.response for r in requests]
\ No newline at end of file
diff --git a/requests/models.py b/requests/models.py
index 5737dd93..7ac85cc0 100644
--- a/requests/models.py
+++ b/requests/models.py
@@ -203,15 +203,14 @@ class Request(object):
         history = []
 
         r = build(resp)
-        cookies = self.cookies
+
         self.cookies.update(r.cookies)
 
         if r.status_code in REDIRECT_STATI and not self.redirect:
+            while (('location' in r.headers) and
+                   ((r.status_code is codes.see_other) or (self.allow_redirects))):
 
-            while (
-                ('location' in r.headers) and
-                ((r.status_code is codes.see_other) or (self.allow_redirects))
-            ):
+                r.content  # Consume socket so it can be released
 
                 if not len(history) < self.config.get('max_redirects'):
                     raise TooManyRedirects()
@@ -253,7 +252,7 @@ class Request(object):
                     method=method,
                     params=self.session.params,
                     auth=self.auth,
-                    cookies=cookies,
+                    cookies=self.cookies,
                     redirect=True,
                     config=self.config,
                     timeout=self.timeout,
@@ -264,7 +263,6 @@ class Request(object):
                 )
 
                 request.send()
-                cookies.update(request.response.cookies)
                 r = request.response
                 self.cookies.update(r.cookies)