Question about 2003 Oldsmobile Silhouette

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Heater hose is leaking - 2003 Oldsmobile Silhouette

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Heater hoses can and do fail. Good news is they are easy to replace. If it's not shaped a particular way, then you can just purchase heater hose in the size and length you need. Some are "pre formed" and cost a little bit more. Either way the replacement hose should be available at your local parts store.

Posted on Dec 31, 2010

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You can try tightening the clamp a little, but you probably need to replace the hose.

Posted on Dec 31, 2010

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Couldn't fit 2 different hoses from different stores. so bought a hose slightly bigger it fit tightened clamps drove and it still leaked why does it still leak?


If your talking about a heater hose, maybe the heater core fitting is leaking? With old heater hose, at the heater core fitting, you use a utility knife and split the hose over the fitting and peal it off. Don't jerk on the hose, it may damage the hear core? Then you have to replace heater core.

Feb 20, 2017 | Cars & Trucks

2 Answers

Water leaking onto passenger side floorboard,soaking the carpet


Your heater core has developed a leak - the wetness on the passenger side carpet is engine coolant
from a heater core leak, or a leak in one of the two hoses connected to the back of the heater core.
Your strategy: disassemble dash down to heater core, determine whether you'll need a new heater
core or new hose (or new hose clamp), then replace the offending part.

Jul 20, 2011 | 2005 Chrysler Town & Country

2 Answers

Leaking antifreeze between firewall and motor on passenger side. just started when i tried to use the heater. could it be the heater core and where is it located


Could be the heater core, or where your heater hoses connect at the firewall. Heater core leak would more than likely put steam in the vents of you car when heater is on and hot and fan on. If the leak is just in the engine compartment, it`s a hose or a loose connection.

Apr 18, 2011 | 2002 Pontiac Montana

3 Answers

Antifreeze leaking on inside passenger side of 1994 GMC suburban


It sounds like you probably have a leak in your heater core. Replacing a heater core can be a difficult job. If you decide want to try it I suggest you get a shop manual to help you out. I can give you a relatively easy temporary fix that will stop the leak until you have more time to fix it or you can take it into a shop to have it done. The down side is this fix will temporally disable your heater. Wait for the engine to cool. Open the engine compartment and look all the way in the back between the engine and the firewall. Find the 2 heater hoses that pass through the firewall. They should be about 1 inch in diameter. Undo the hose clamps and disconnect them from the firewall. Get a short piece of metal tubing about the thickness of the inner diameter of the hoses. Use this metal tubing to connect the heater hoses together and clamp them using the two hose clamps. Now the antifreeze that would normally circulate through your heater core will instead circulate through this loop and not enter the passenger compartment. If you can't find a short piece of metal tubing to do this fix you can completely remove one of the heater hoses. Then take the other heater hose and connect it to location near the engine where you disconnected the first hose. Save the first hose so you can hook it up later when you do the more permanent fix. Make sure to position all hoses such that they aren't resting on any hot surfaces. I hope this advice helps you out.

Feb 20, 2011 | 1994 GMC Suburban

1 Answer

95 Camaro Z28 appears to be leaking antifreeze from the hose or hoses that run to the heater core. The hoses are rubber but appear to connect to metal lines then back to rubber before they go into the...


if your rubber hoses are cracked and leaking then replace the hoses with proper size and length.
if the hoses are leaking where they connect to the metal fittings from the heater core then try and tighten up the hose clamps -- they could just be loose.

c...

Jan 04, 2011 | 1995 Chevrolet Camaro

2 Answers

Smoke coming from a/c vents on ford expedition with sweet smell


The problem is the heater core leaking behind the dashboard. Heater Core Removal & Installation 1997-2002 To Remove:
NOTE: Heater core must be vacuum leak tested before it is remove from vehicle if a heater core leak is suspected.
  1. Drain engine coolant.
  2. Remove instrument panel.
  3. For 5.4L (4V), if quipped, remove junction splash shield.
  4. For 5.4L (4V), if quipped, disconnect starter relay cable. ford-03-00-3579.gif

  5. For 5.4L (4V), if quipped, remove junction block bracket.
  6. Clamp inlet and outlet heater hoses.
  7. Disconnect heater hose from heater core by gently pressing it toward heater core.
  8. Remove A/C plenum demister adapter.
  9. Disconnect vacuum line.
  10. Remove 13 plenum chamber top screws.
  11. Remove blend door assembly from case.
  12. Remove heater core.
To Install:
NOTE: If needed, clean and lubricate coolant hoses with plain water.
ford-10-00-3098.gif

  1. Install heater core.
  2. Install blend door assembly to case.
  3. Install 13 plenum chamber top screws.
  4. Connect vacuum line.
  5. Install A/C plenum demister adapter.
  6. Connect heater hose to heater core.
  7. Release all clamps from inlet and outlet heater hoses.
  8. For 5.4L (4V), if quipped, install junction block bracket.
  9. For 5.4L (4V), if quipped, connect starter relay cable.
  10. For 5.4L (4V), if quipped, install junction splash shield.
  11. Install instrument panel.
  12. Refill engine coolant.
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Aug 17, 2010 | 1999 Ford Expedition

4 Answers

Describe how to bypass a heater core in a 97 Dodge Dakota plz.


Easiest way to bypass a heater core is to disconnect both inlet and outlet hoses at the engine firewall. Install a right angle hose coupling in each hose. Then install a straight piece of hose to connect the two hoses.

Nov 20, 2009 | 1997 Dodge Dakota

3 Answers

Coolant leaking at back of engine,could it be the heater core


the heater core leaks inside the car, it is either a hose or a core plug.

Sep 30, 2009 | 1994 Toyota Land Cruiser

2 Answers

COOLANT LEAK CANT FIND


only thing that i know in that area is heater hoses.check those for looseness or cracks.

Mar 29, 2009 | 2001 Chevrolet Blazer

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