Question about Ford F-150

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Heater hose into Intake Manifold is cracked at the base.

What are the recommended procedures to fix or replace. Note, I have my heater core out of the loop already, So can I just plug it and be done with it? If so, what should I use.

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Go to an auto supply store and get the engine epoxy for the metal your block is made of. Aluminum or cast iron have different expansion rates so do not buy the wrong one! Follow the instructions but wait a bit longer than recommended before you put everything back together.

Posted on Jan 13, 2013

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Posted on Jan 02, 2017

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SOURCE: heater core hoses

intake hose to top

Posted on Jan 18, 2009

SOURCE: how to change a heater core

hi try this save to file then zoom in.6332883.jpg

Posted on Feb 06, 2009

  • 37 Answers

SOURCE: cooling and heating

Use the following diagram to determine the configuration of your heater hoses. It is from 1992 Caravan manuals from Dodge. Hope this helps.


If this information helped you please rate my answers

Posted on Mar 20, 2009

  • 69 Answers

SOURCE: heater core problem and replacement instructions

You can disconnect both hoses and blow compressed air through the one that stays cold, this should free it up then recommend a coolant flush.

Posted on Oct 30, 2009

  • 2 Answers

SOURCE: oldsmobile is overheating in idle only

my termas gage go up and down

Posted on Dec 18, 2009

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How to replace heater hose

2009-11-27_043351_98_chev_ven.gifHEATER CORE REPLACEMENT

J 38185 Hose Clamp Pliers


Drain the cooling system.
Remove the left wiper arm linkage nuts. Reposition the left wiper arm linkage for access.
Disconnect the vacuum hose from the brake booster and reposition.
Remove the air cleaner cover and intake tube.
Disconnect the throttle and cruise control cables from the TBI mounting bracket.
IMPORTANT: Disconnect the throttle and cruise control cables to prevent bending the cable housings.

Remove the transmission fluid filler tube.

Disconnect both of the heater hose clamps at the heater core using the J 38185.
Remove the heater hoses from the heater core.
Cap off the heater core pipes.
IMPORTANT: Cap off the heater core inlet and outlet pipes to prevent coolant spilling inside of the vehicle.

Remove the heater core cover.

Remove the heater core pipe retaining clamp screw.
Remove the heater core from the HVAC module.

Install the heater core to the HVAC module.
Install the heater core pipe retaining clamp screw.
NOTE: Refer to Fastener Notice in Service Precautions.
See: Service Precautions\Vehicle Damage Warnings

Tighten the screw to.1.6 N.M (14 lb in).

Install the heater core cover.

Install the heater hoses to the heater core.
Reposition the heater hose clamps to secure the hoses using the J 38185.
Install the transmission fluid filler tube.
Install the air cleaner cover and intake hose.
Connect the throttle and cruise control cables to the TBI mounting bracket.
Connect the vacuum hose to the brake booster.
Install the left wiper arm linkage.
Install the left wiper arm linkage nuts.
Tighten the nuts to.5 N.M (44 lb in).
Fill the coolant.

Jun 26, 2014 | 2001 Chevrolet Venture


Intake Manifold gasket replacement and/or leaking= Ford

Intake Manifold gasket~

Replacing intake manifold gasket:
Replacing the intake manifold gasket, I used the tube kind, it's a make it youself for about $6 (it's blue and the consistancy of toothpaste) follow directions carefully! You can get a tube at Autozone or any car parts store. Has been working great. Just ask the cashier for the make it yourself kind of intake manifold gasket. Sorry, I don't remember the name of it, it's been that

As for the Intake Manifold leaking coolant....It could, but shouldn't. One of the largest problems I've seen for coolant to leak out the Intake Manifold has been due to pressure in the system somewhere... Check the classic area:
Water pump- look for either water seapage and/or coolant. You'll know if it is because you will see real water either coming out of the water pump leak hole or under the thermostat. Most of the time coolant will pool where your heater hose runs in the intake manifold.

Mentioning heater hose. Check for leaks, holes, and/or cracked heater hoses. In-addition to the water pump, heater hoses...Check the transmission system, exhaust system, fuel system, radiator system, A/C system, secondary fan (located above the water pump housing), and thermostat.Also, check all electrical connections....Hummm....This is almost the entire workings of the vehicle.

NOTE: "It seems to be an infinity kinda thing... Once one thing starts to fail and is ignored, you are bound to be fixing a chain of event failures. Therefore, Do not ignore even the smallest problem or you'll be bound for life in repairs...."

on Jun 25, 2010 | Ford Expedition Cars & Trucks

2 Answers

My 98 chevy silverado always smells like antifreeze when it is on. i replaced all the hoses and installed anew radiator new water pump now should i replace the heater core

the heater core is the only thing you havent replaced besides the thermostat so feel the carpets and floor around the floor heater out puts to see if there damp or sticky they may smell like a sweet smell as well.

Aug 23, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

I have been slowly losing coolant for several years. Only recently I can smell coolant when fan runs. Does a heater core have typical trouble spots? What are the basic procedures for RR an intake...

first check the radiator tanks, common problem with the plastic tanks getting a crack in them and then gets larger overtime. the intake manifold is also a common problem. look for coolant leaks in front of the engine and along the valve covers.replacing the intake gaskets is a rather big job(4 to 6 hours for an experienced mechanic)and the heater core is even a bigger task. the dash has to be removed to access the heater core. if you want step by step instuctions, you may want to puchase a HAYNES or CHILTON manual.

Aug 03, 2011 | Chevrolet 1500 Cars & Trucks

2 Answers

Coolent leaking from rear of engine can not see from where. When I stopped the car the fluid kept coming out. Engine overheated, I checked the front hoses they are dry and no leak from the radiator. What...

You could have a leak coming from the intake or even the heads. Before digging into those difficult items, I'd check all of your freeze plugs for damage/wear/rust/leaks.

Jun 02, 2011 | 1996 Chevrolet Corsica

1 Answer

Heater fan blows good but only blows cold air. Is it the heater core? The thermostat? How hard are they to replace if i do it myself?

Check the heater core by checking the hotness or coldness of the 2 tubes at the firewall that lead to the heater core.

If both tubes are hot, the heater core is fine. If both tubes are cold, then the heater core is plugged up and will have to be flushed out or replaced.

The thermostat, if stuck open, will delay the heating up of the heater core. It's not hard to replace the thermostat.

Thermostat Removal & Installation 4.2L Engine To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Some of the coolant
    • The upper radiator hose f150_42_thermostat.gif

    • The bolts (A).
    • The water outlet connection (B)
    • The water thermostat and paper gasket assembly (C)
To Install:
NOTE: The water thermostat is indexed and must be installed correctly.
  1. Install or connect the following:
    • The water thermostat
    • The thermostat
    • The water outlet adapter
    • The bolts
      1. Torque to: 80 inch-lbs (9 Nm)
    • The upper radiator hose
    • The coolant
4.6L/5.4L Engines To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Some of the coolant
    • The upper radiator hose f150_46-54_thermostat.gif

    • The bolts (A)
    • The water outlet connection (B)
    • The water thermostat
    • The O-ring (discard)
To Install:
  1. Install or connect the following:
    • A new O-ring to position the water thermostat in the upper intake manifold
    • The water outlet connection onto the upper intake manifold
    • The bolts
      1. Torque to: 18 ft-lbs (25 Nm)
    • The upper radiator hose
    • The coolant
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Jan 28, 2011 | 1997 Ford F150 Regular Cab

1 Answer

Coolant fluid leaking below carberator 1989 dodge daytona

May not apply to yours, but I have seen coolant lines routed under intake (actually through plenum below carb)...the idea is to pre-heat and vaporize fuel to prevent "puddling" under carb. If you look at most v8 engines, exhaust is routed the same way, to do the same job. You may need to use a mirror to see under there to determine exactly what's going thats causing leak.

Apr 05, 2009 | 1989 Dodge Daytona

3 Answers

93 lincoln town car coolant leak from rear of motor

Instead of removing the intake manifold and the the leaky manifold coolant hose, we simple place a 1" dia hose about 3" long with a **** down it so it can fit around the leaky coolant hose with two hose clamps and an agressive amount of "right stuff" silicone sealant and let stand for 24hrs which should fix the problem

Dec 26, 2008 | 1996 Lincoln Town Car

3 Answers

Check eng light

1 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiator hose. grey_line.gif 2 Inspect Hose (Bypass) Ruptured, cracked or leaking bypass hose. grey_line.gif 3 Inspect Hose (Heater) Ruptured, cracked or leaking heater hose. grey_line.gif 4 Inspect Radiator Cap Worn or damaged radiator cap grey_line.gif 5 Inspect Heater Core Heater core may be leaking antifreeze/coolant into the vehicle`s floor area. grey_line.gif 6 Inspect Heater Control Valve Leaking or defective heater control valve. grey_line.gif 7 Inspect Radiator Drain Plug Loose, damaged, or faulty radiator drain plug. grey_line.gif 8 Inspect Radiator Rusted, corroded, or damaged radiator may be leaking antifreeze/coolant grey_line.gif 9 Inspect Water Pump Damaged, worn or leaking water pump. grey_line.gif 10 Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 11 Inspect Head Gasket - Performance Blown head gasket grey_line.gif 12 Inspect Hood Brace Leaking, worn, or damaged intake manifold gasket grey_line.gif 13 Inspect Freeze Plug Freeze plugs are cracked or leaking.

Dec 02, 2008 | 2003 Jaguar Vanden Plas

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