# heater core

**URL:** <https://forums.speedlife.net/t/heater-core/75624>\
**Category:** NYSpeed Automotive\
**Created:** [November 2, 2009, 12:48pm UTC](https://forums.speedlife.net/t/heater-core/75624 "2009-11-02T12:48:10Z")\
**Posts on this page:** 19\
**Page:** 1

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 2, 2009, 12:48pm UTC](https://forums.speedlife.net/t/heater-core/75624/1 "2009-11-02T12:48:10Z")

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can anyone instrust me/ or help put in a heater core. its on a 1990 plymouth laser RS 2.0l non turbo. my whole passenger interior floor is nothing but a puddle of coolent.

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [November 2, 2009, 1:24pm UTC](https://forums.speedlife.net/t/heater-core/75624/2 "2009-11-02T13:24:05Z")

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At worst you can loop the lines to stop that shit from flooding…

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**Author:** ![skylinez07](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/skylinez07/32/4993_2.png) [@skylinez07](https://forums.speedlife.net/u/skylinez07)\
**Post date:** [November 2, 2009, 1:44pm UTC](https://forums.speedlife.net/t/heater-core/75624/3 "2009-11-02T13:44:10Z")

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Deff. not a fun job on that car.

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 2, 2009, 2:08pm UTC](https://forums.speedlife.net/t/heater-core/75624/4 "2009-11-02T14:08:19Z")

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> [@newman](#):
>
> At worst you can loop the lines to stop that shit from flooding…

how would that be done?

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 2, 2009, 2:08pm UTC](https://forums.speedlife.net/t/heater-core/75624/5 "2009-11-02T14:08:44Z")

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> [@skylinez07](#):
>
> Deff. not a fun job on that car.

yeah i figured. how time consuming is that?

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [November 2, 2009, 2:10pm UTC](https://forums.speedlife.net/t/heater-core/75624/6 "2009-11-02T14:10:00Z")

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> [@itsgoindown513](#):
>
> how would that be done?

look for 2 rubber hoses going from the motor to the firewall (prob on passenger side), detach the hoses from the firewall (2 hose clamps), find a pipe that’s roughly the same size as the two hoses and clamp one hose to either side.

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 2, 2009, 2:17pm UTC](https://forums.speedlife.net/t/heater-core/75624/7 "2009-11-02T14:17:34Z")

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> [@newman](#):
>
> look for 2 rubber hoses going from the motor to the firewall (prob on passenger side), detach the hoses from the firewall (2 hose clamps), find a pipe that’s roughly the same size as the two hoses and clamp one hose to either side.

okay thanks. i might give that a try.

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [November 2, 2009, 2:18pm UTC](https://forums.speedlife.net/t/heater-core/75624/8 "2009-11-02T14:18:26Z")

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Make sure the engine is not hot, please.

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 2, 2009, 2:25pm UTC](https://forums.speedlife.net/t/heater-core/75624/9 "2009-11-02T14:25:19Z")

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car hasnt been running for 2 days now, i stopped driving it once it started to leak.

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**Author:** ![deebo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deebo/32/5218_2.png) [@deebo](https://forums.speedlife.net/u/deebo)\
**Post date:** [November 2, 2009, 3:46pm UTC](https://forums.speedlife.net/t/heater-core/75624/10 "2009-11-02T15:46:23Z")

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biggest fucking pain in the ass ever. it me probably 5 hours to take mine out, but it was for parting out my car, so i never put it back in. it was my first time doing it, so it should be about only 2 hours to put everything back in as long as u dont lose screws and bolts lol

idk how dsms are, but on my integra i had to take out the battery, and the battery tray, because there were bolts behind it, there are bolts on the inside of the car, and then on the outside as well. there were bolts on the fuel sending unit thing, and then 3 or 4 bolts that were just on studs thru the firewall

once u get everything unbolted it should be really easy. i couldnt get my radiator hoses unclamed because they were pointed down and i couldnt really get to them, so i just ripped the thing thru the firewall lol, i dont think u should do that tho because there is a brake line type thing that controls to flow fluid thru i believe, and u cant rip it thru unless u unbolt it, but i just cut mine because it didnt matter.

i would unclamp everything, and do the hoses on the heatercore first, and then cut them as u need to when u hook them back up to the engine, dont do it the other way around. i would also get new clamps n hose for everything as well.

hope this helps, its kind of a jumbled mess of typing but w/e… GL

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**Author:** ![dawn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dawn/32/7209_2.png) [@dawn](https://forums.speedlife.net/u/dawn)\
**Post date:** [November 2, 2009, 3:50pm UTC](https://forums.speedlife.net/t/heater-core/75624/11 "2009-11-02T15:50:56Z")

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> [@itsgoindown513](#):
>
> okay thanks. i might give that a try.

might? should.

and get that shit fixed before winter. it’s not fun driving around with no heat. should prob replace the hoses too while you’re in there.

here’s how:

> **[Home Maintenance & Repair | ehow](https://www.ehow.com/home-sweet-home/home-maintenance-repair)**
>
> Get tips, tricks and guides to maintain and repair anything in your home.

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<div class="post-metadata">

**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 2, 2009, 4:24pm UTC](https://forums.speedlife.net/t/heater-core/75624/12 "2009-11-02T16:24:09Z")

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well i already ordered a new heater core.

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**Author:** ![sobo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sobo/32/5267_2.png) [@sobo](https://forums.speedlife.net/u/sobo)\
**Post date:** [November 3, 2009, 6:11am UTC](https://forums.speedlife.net/t/heater-core/75624/13 "2009-11-03T06:11:55Z")

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> [@dawn](#):
>
> might? should.
> 
> and get that shit fixed before winter. it’s not fun driving around with no heat. should prob replace the hoses too while you’re in there.
> 
> here’s how:  
> [Home Maintenance & Repair | ehow](http://www.ehow.com/how_4521309_replace-heater-core-mitsubishi-eclipse.html)

It’s not SAFE to drive without heat.

Defrosting your windows becomes significantly more impossible.

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<div class="post-metadata">

**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 3, 2009, 10:13am UTC](https://forums.speedlife.net/t/heater-core/75624/14 "2009-11-03T10:13:59Z")

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i dont plan on driving the car until its fixed.

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**Author:** ![skylinez07](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/skylinez07/32/4993_2.png) [@skylinez07](https://forums.speedlife.net/u/skylinez07)\
**Post date:** [November 3, 2009, 10:50am UTC](https://forums.speedlife.net/t/heater-core/75624/15 "2009-11-03T10:50:34Z")

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Overall about 5-6 hours if you are doing it for the first time.

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [November 3, 2009, 1:06pm UTC](https://forums.speedlife.net/t/heater-core/75624/16 "2009-11-03T13:06:36Z")

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> [@skylinez07](#):
>
> Overall about 5-6 hours if you are doing it for the first time.

yeahh i deff dont plan on doing it myself. ill fuck some shit up somehow.

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**Author:** ![LeetWoah](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/leetwoah/32/5013_2.png) [@LeetWoah](https://forums.speedlife.net/u/LeetWoah)\
**Post date:** [November 19, 2009, 1:19pm UTC](https://forums.speedlife.net/t/heater-core/75624/17 "2009-11-19T13:19:47Z")

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the aggrivation might be worth the money you would save if you were to take it somewhere! just get a set of instructions and get to work! take your time and make sure you work neatly so u do not lose anything! oh and get it done while the weather is still warm lol

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**Author:** ![Jam](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jam/32/7235_2.png) [@Jam](https://forums.speedlife.net/u/Jam)\
**Post date:** [November 19, 2009, 1:23pm UTC](https://forums.speedlife.net/t/heater-core/75624/18 "2009-11-19T13:23:58Z")

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> [@skylinez07](#):
>
> Deff. not a fun job on that car.

> [@1990 plymouth laser PARTS CAR](https://forums.speedlife.net/t/1990-plymouth-laser-parts-car/72898/38):
>
> Heater core is not hard to fix in this car.  
> GLWS.

[http://www.nyspeed.com/forums/showpost.php?p=1520035&postcount=37](http://www.nyspeed.com/forums/showpost.php?p=1520035&postcount=37)

wat? lol

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**Author:** ![skylinez07](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/skylinez07/32/4993_2.png) [@skylinez07](https://forums.speedlife.net/u/skylinez07)\
**Post date:** [November 20, 2009, 6:43pm UTC](https://forums.speedlife.net/t/heater-core/75624/19 "2009-11-20T18:43:13Z")

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> [@Jam](#):
>
> [http://www.nyspeed.com/forums/showpost.php?p=1520035&postcount=37](http://www.nyspeed.com/forums/showpost.php?p=1520035&postcount=37)
> 
> wat? lol

Just did one today and it didn’t take long.  
But its deff not fun to do it.
