Question about 1990 Nissan Maxima

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Replacing heater core

How do i replace heater core inlet/oulet pipes?

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  • Nissan Master
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Replace the heater it self

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

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1 Answer

How do i replace heater core hoses on a GM grand am 3400?


both are replaceable inlet and oulet remove clamps replace hose install new clamps

Apr 17, 2016 | Cars & Trucks

1 Answer

How to replace heater hose


2009-11-27_043351_98_chev_ven.gifHEATER CORE REPLACEMENT

TOOLS REQUIRED
J 38185 Hose Clamp Pliers

REMOVAL PROCEDURE

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.
INSTALLATION PROCEDURE

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
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
Tighten the nuts to.5 N.M (44 lb in).
Fill the coolant.

Jun 26, 2014 | 2001 Chevrolet Venture

1 Answer

E60 heater


Yeah I had the same problem: First flush out the heater core and then replace the thermostate. I looked on youtube to see the right way to flush out my heater core with a garden hose. There is an inlet and an outlet. From memory the top hose is the inlet where you run the garden hose through. Be very careful when taking the hose off. I cut the hose at the beginning of the pipe and then cut the hose off the pipe as a safety measure. Connect the garden hose and run it through for about 15mins, you can also run the engine while this is being done. Re-connect the hose and then change the thermostat. You now should be able to cook a chook with the heater :)

Jul 18, 2013 | BMW Cars & Trucks

1 Answer

I have a 1988 chevy silverado 1500 heat does not work replaced waterpump, thermostat,heater core,inlet pipe goes into the intake,and a radiator


The only thing left is the heater control valve. if you replace it,that should fix your problem.

Jan 13, 2012 | Cars & Trucks

4 Answers

Heater core leaking through floor vents.


Bad heater core you will need to replace it. About a 2 hour job, very easy to do:


Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement.
Remove the HVAC filter cover.
Remove the heater core/evaporator tube seals from the module.
Remove the heater core cover screws (1).
Remove the heater core retaining screws (1).
Remove the heater core retaining straps.
Remove the heater core.
Remove the rubber seals from the inlet/outlet pipes of the heater core.

Installation Procedure

Install rubber seals to the outlet/inlet pipes of the heater core.
Install the heater core to the module.
Install the heater core retaining straps.



Install the heater core retaining screws (1).
Install the heater core cover.



Install the heater core cover screws (1).



Install the heater core/evaporator tube seal from the module.
Install the HVAC filter cover.
Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement.

May 19, 2011 | Cadillac DeVille Cars & Trucks

1 Answer

Heater core replacement. Haynes manual and car have major differences.


Heater core is removed from inside the cabin. About a two hour job. The hardest part is removing the hoses in the engine bay.
In the cabin, remove the beauty panel under the glovebox; remove the glovebox, and move the HVAC controller. The heater housing, or cover is held with two screws, and the core is held with one screw (clamp).
Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement.
Remove the HVAC filter cover.
Remove the heater core/evaporator tube seals from the module.
Remove the heater core cover screws (1).
Remove the heater core retaining screws (1).
Remove the heater core retaining straps.
Remove the heater core.
Remove the rubber seals from the inlet/outlet pipes of the heater core.

Installation Procedure

Install rubber seals to the outlet/inlet pipes of the heater core.
Install the heater core to the module.
Install the heater core retaining straps.



Install the heater core retaining screws (1).
Install the heater core cover.



Install the heater core cover screws (1).



Install the heater core/evaporator tube seal from the module.
Install the HVAC filter cover.
Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement.

This is the best that I can do for you, hope this works

May 19, 2011 | 1998 Cadillac DeVille

3 Answers

My van is leaking antifreeze from somewhere by the firewall of the van not the radiator. Its the metal hose that has a hole in it but i can't figure out the name of these metal (aluminum)hoses.


The metal hose by the firewall is either your heater core inlet pipe or outlet pipe. These inlet and outlet pipes will develop leaks for a varity of reasons. If this is the source of your leak, you may want to replace the entire heater core which is much easier than trying to fix the leak. The attached link will help you.

http://www.allpar.com/fix/heat.html

http://www.thirdgen.org/heatercore

Please remember to rate this solution. Thanks!

Feb 04, 2011 | 1999 Chrysler Town & Country

2 Answers

97 ford f150 4.6 the pipe that gos to heater core hose is leaking. is this pipe pressed in? thanks


The inlet/outlet pipes (tubing) is an integral part of the heater core. If the actual core is leaking, you 'll need to remove and replace or repair the heater core. Be sure it's not the hose that is failing ... alot easier and cheaper to change out a hose and clamps...

Nov 20, 2009 | 1997 Ford F150 Regular Cab

4 Answers

Male fitting on heater core inlet broke off in hose


RKmastertech is incorrect. That plastic fitting is seperate from the aluminum heater core and can be removed by means of a special quick disconnect tool, like OTC 6046. Rock auto has the fitting for $5 plus shipping, just for a reference.

Sep 27, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Heater core inlet pipe plastic broke


if the heater core inlet pipe broke you may need to replace the unit depending on how far it broke ...to help get the hose off a bent awl or sometimes a small screwdriver and run it around the inside of the hose to help loosen it it otherwise if your replacing the hose as well a razor knife you can cut a **** in it to open it up as well

Sep 10, 2009 | 1999 Chevrolet Silverado 1500

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