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Causes radiator hose collapse - Jeep Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

mattman2112
  • 57 Answers

SOURCE: collapsed radiator hose

thermostat's bad

Posted on Jan 10, 2009

  • 401 Answers

SOURCE: '01 grand prix 3100 upper

you need to change the rad cap!

Posted on May 02, 2009

SOURCE: UPPER RADIATOR HOSE COLLAPSES

there is air in cooling system, you have to find out air bleeding screw on any of coolant hose. make lose that screw and start car let it get heat up and keep track on coolant level same time coolant tank cap should be open,coolant will flow out from that screw you keep top up coolant in tank, let this process go for 15 min and then tight the screw and close tank cap, problem is solved.

Posted on Jan 24, 2010

  • 978 Answers

SOURCE: what would cause the radiator hose on a 2003 dodge

hose faulty wall of hose weak
or there is a vacum being created on your cooling system when it coling down

Posted on Feb 13, 2011

  • 6 Answers

SOURCE: upper radiator hose collapses after driving

Tannim, sounds like air in system? have to keep it running, filling it with water while it's running with cap off.: sometimes you need to loosen the heater hose to get all the air out. Then if all the air/compression is out refill with radiator fluid.

Posted on Oct 23, 2012

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1 Answer

Just replaced the water pump belt on my 2001 Escape. The old one had shredded. Now the upper radiator hose collapses when the radiator revs up. What causes this? Water pump? Thermostat? Please help!


Just a worn out hose. Older vehicles used to have a spring in the hose to prevent this. That cost money though. It is normal for the water pump to pull a vacuum on the hose. Collapsing is an old hose.

Nov 05, 2016 | Cars & Trucks

2 Answers

I have a 1986 Chevy Silverado with a 350 engine, why does my top radiator hose keep collapsing?


The hose collapses because there is air in the cooling system. If the system is properly full, the hose cannot collapse because water does not compress. If there is a leak in the system, you need to repair it, refill and bleed the cooling system, and ensure that the reservoir has a proper level of coolant in it. If there are no leaks in the system, then the reservoir (recovery) bottle could be low on coolant, allowing air into the system during the expansion and contraction that occurs as the coolant heats and cools. Another thing that can cause this issue is a defective/worn out radiator cap. I would recommend replacement of the cap, refill and bleed the cooling system, then top off the reservoir and then monitor for any further issues.

Jun 14, 2016 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

What cause lower hose to collapse afer cool down


I would start by replacing the radiator cap. A bad cap can stop the flow of coolant from the coolant reservoir back into the engine when the engine cools down. This will cause a vacuum and collapse the hoses.

The other possibility is the lower hose is starting to get weak. This compounded with a radiator cap that is not functioning correctly will cause the the hose to collapse when the engine cools off.

Sep 27, 2015 | 1991 Toyota Corolla

1 Answer

What cause lower hose to collapse after cool down


I would start by replacing the radiator cap. A bad cap can stop the flow of coolant from the coolant reservoir back into the engine when the engine cools down. This will cause a vacuum and collapse the hoses.

The other possibility is the lower hose is starting to get weak. This compounded with a radiator cap that is not functioning correctly will cause the the hose to collapse when the engine cools off.

Sep 27, 2015 | 1991 Toyota Corolla

1 Answer

2002 5.7l. What would cause the upper radiator hose to collapse?


When an engine is shut down, the coolant temperature begins to drop. If the vacuum valve in the radiator cap fails, the resulting vacuum in the cooling system can cause a radiator hose to collapse

Jul 31, 2015 | Chevrolet Corvette Cars & Trucks

1 Answer

I have a 99 lumina doesn't ever get completely hot but gets warm almost hot no leaks that we can find when its at top temp the top radiator hose collapses thermostat?


IF the hose is collapsing, there is an issue with an obstruction in the system that is causing the water pump to draw to hard on the contents. The obstruction could be the radiator itself. If you have high mineral content in the water you used, deposits can develop in the radiator passages and obstruct the flow.

Jul 09, 2015 | Cars & Trucks

1 Answer

2005 Pontiac Grand Prix upper radiator hose collapses bought new one but still does it


By collapsing you mean sucking together . . If so this indicates a vacuum being generated in the radiator by the water pump especially under rpm,s. This indicates that the thermostat may not be in the right way or you have the incorrect thermostat. I know of bottom radiator hoses sucking in from blocked radiator cores ( they can come with wire coil to prevent this) but it is difficult to see how this could be the same for the top hose which in effect is a delivery hose to the radiator.

Feb 17, 2014 | Pontiac Grand Prix Cars & Trucks

1 Answer

Upper radiator hose collapses after driving


Tannim, sounds like air in system? have to keep it running, filling it with water while it's running with cap off.: sometimes you need to loosen the heater hose to get all the air out. Then if all the air/compression is out refill with radiator fluid.

Oct 23, 2012 | Cars & Trucks

2 Answers

Overheating


If the thermostat doesnt open hoses can **** in on them selfs Watch hoses while at operating temperature and rev the vehicle while watching the radiator hoses,top and bottom,to see if they stay normal.The bottom hose usualy has a steel inner winding to stop water pump from sucking hose in but have seen these corrode and collapse.I think you should replace the thermostat first and check that the fans are cooling the radiator correctly.Also check the accuracy of the water sensor that sends the signal to your dash gauge to make sure its not a simple sensor fault.Generaly a water pump will not give problems until it starts to leak.Have you bled the water system as air locks can cause your problem as well.good luck

Oct 23, 2008 | 2003 Hummer H2

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