Lower radiator hose replacement
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5th Wheeling
Joined: Oct 2013
Posts: 46
Likes: 0
Lower radiator hose replacement
I am a noob. I've got a leak that seems to be my lower radiator hose. I bought a new one to replace with. I think this is easy enough, but I'm wondering if there are any tricks I need to know. I plan to:
-drain the coolant from the plug
-remove hose clamps
-remove hose
-grease ends and replace
Am I missing anything? Thanks!
-drain the coolant from the plug
-remove hose clamps
-remove hose
-grease ends and replace
Am I missing anything? Thanks!
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
- transfer anti-collapse spring from old hose and insert into new hose.
- transfer hose clamps from old hose to new hose
- refill cooling system
- replace radiator cap
- set heater to "hot" to open the bypass valve
- start engine
- check for leaks
- transfer hose clamps from old hose to new hose
- refill cooling system
- replace radiator cap
- set heater to "hot" to open the bypass valve
- start engine
- check for leaks
Fleet Mechanic
Joined: Nov 2009
Posts: 1,398
Likes: 6
I am a noob. I've got a leak that seems to be my lower radiator hose. I bought a new one to replace with. I think this is easy enough, but I'm wondering if there are any tricks I need to know. I plan to:
-drain the coolant from the plug
-remove hose clamps
-remove hose
-grease ends and replace
Am I missing anything? Thanks!
-drain the coolant from the plug
-remove hose clamps
-remove hose
-grease ends and replace
Am I missing anything? Thanks!
Fleet Mechanic
Joined: Nov 2009
Posts: 1,398
Likes: 6
Man, you're fast!
Elder User
Joined: Jan 2004
Posts: 767
Likes: 1
From: Franklin, GA
Before digging in on the hose change, check and make sure the coolant isn't running down from the water pump, then down the hose making you think it's the hose. You'll have to remove the hose even if it is the pump but there ain't no use having to do the hose thing twice if the leak re-occurs after the new hose is installed.
Senior User
Joined: Jul 2013
Posts: 225
Likes: 1
From: Central Florida
Grab ahold of the top hose (when cold or you will burn your hands) and give her a big squeeze and hold. While your doing so it should be squirting coolant from your problem area. Mine leaks from the bottom of the radiator itself and mimics a lower hose leak.
Use the petcock at the bottom left of the radiator and turn it half out while using a large bucket to catch the coolant. Its cleaner than dumping on the ground and the stuff is toxic as all hell and animals think its candy and will lap it up! Capture it and reuse or dispose.
Use the petcock at the bottom left of the radiator and turn it half out while using a large bucket to catch the coolant. Its cleaner than dumping on the ground and the stuff is toxic as all hell and animals think its candy and will lap it up! Capture it and reuse or dispose.
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Postmaster
Joined: Nov 2011
Posts: 2,553
Likes: 10
I like to "grease" the ends with a little antifreeze. It is slippery but doesn't degrade rubber like petroleum grease can.
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