Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
Sponsored by:
Sponsored by: CARiD

changing heater core ......

Thread Tools
 
Search this Thread
 
Old Oct 9, 2003 | 07:36 AM
  #1  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
changing heater core ......

I got a new heater core.. but never changed the camaro ones,Im wondering what it takes to change one??????
Im sure its a pain in the @$$ but figured Id ask whats involved in this project
Reply
Old Oct 9, 2003 | 09:39 AM
  #2  
phess11's Avatar
Senior Member
 
Joined: Mar 2003
Posts: 966
Likes: 2
From: NE Ohio
Car: 83 Z28
Engine: 305 (LG4)
Transmission: THM700R4
Axle/Gears: 10 bolt, 3.23 non-LS
Do a search. There is a lot of info on changing a heater core.

phil
Reply
Old Oct 9, 2003 | 11:36 AM
  #3  
nolanr0413's Avatar
Banned
 
Joined: Jun 2002
Posts: 2,790
Likes: 1
From: New York
Car: Trans am
i did it on my 85 trans am , it was the worst job ever. It was such a pin in the ***, if i had to do it again i would have paid someone 400 or 500 to do it or bypassed it to have no heat, i only drive it in the summer so i dont need heat , but it is a pain in the *** to do . good luck
Reply
Old Oct 9, 2003 | 12:26 PM
  #4  
dimented24x7's Avatar
Supreme Member
iTrader: (2)
 
Joined: Jan 2002
Posts: 9,962
Likes: 5
From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
changing the core isnt that bad if you do it w/o taking the dash apart. The top most bolt is a pain, though. It took me around 20 mins or so to get it out, and needless to say, i didnt put it back in. Overall it took me around 45 minutes to change it out.
Reply
Old Oct 9, 2003 | 02:03 PM
  #5  
91banditt2's Avatar
Supreme Member
20 Year Member
Liked
Loved
Community Favorite
iTrader: (1)
 
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Originally posted by dimented24x7
The top most bolt is a pain, though. It took me around 20 mins or so to get it out, and needless to say, i didnt put it back in.
amen to that.i took out my passenger seat and t-tops to make things alittle easier
Reply
Old Oct 9, 2003 | 05:56 PM
  #6  
TJQIROC's Avatar
Member
20 Year Member
iTrader: (1)
 
Joined: Aug 2003
Posts: 333
Likes: 20
From: South Jersey
Car: '16 Camaro SS, '88 IROC
Engine: 6.2 Gen V
Transmission: 6 spd TR6060
I did my heater core on my 88Iroc. All I did was follow the directions in my Haynes manual. It is very involved but not really that bad. My hardest part was removing and replacing the hoses in the engine compartment that connect to the heater core. No room whatsoever. Be prepared to remove everything: console, radio, heater controls, dropping the steering column. It was sort of neat how the dash just sort of pivoted out to get to the core. Oh, one more thing. When you put it back together, don't let that stray light for the AC controls get stuck in the back. I wondered why I didn't have illumination anymore until read a post here that said the light can get lost in the innards of the dash.
Reply
Old Oct 9, 2003 | 06:15 PM
  #7  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
well I'll take a look at it tomorrow
I hate ripping 100 things apart to do a stupid job....like today I had to replace my oil dip stick tube....and had to remove my starter to get into it to work it out.....damn camaro's

gotta love em when there not broke though .....

thanks for the info guys
Reply
Old Oct 9, 2003 | 06:55 PM
  #8  
hydric's Avatar
Senior Member
 
Joined: Oct 2002
Posts: 603
Likes: 0
From: Ohio
Car: 1985 Iroc-z
Engine: 355 sbc
Transmission: 700r4
Originally posted by Z dude
damn camaro's

gotta love em when there not broke though .....
:hail:

One more thing, if you find it hard getting it in, look at the top left corner by the HVAC controls, theres a lil metal bar that i couldn't find out what was keeping mine from going it, it ended up being that damn bar, don't bend it though.

good luck
Reply
Old Oct 9, 2003 | 06:57 PM
  #9  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
by the sounds of it I'll need the luck
Reply
Old Oct 10, 2003 | 02:16 AM
  #10  
GoonieZ28's Avatar
Member
 
Joined: Aug 2001
Posts: 126
Likes: 0
From: Concord, CA
Car: 91 Z28
Engine: 5.7 TPI
Transmission: ProBuilt 700-R4 & Vigilante Torque Converter
I did mine about a year and a half ago. On my 91 Z28. There was an aweful lot of swearing involved trying to get the whole dash thing apart and out of the car. Not sure if I needed to totally remove it out of the car but I did anyway. The steering wheel kept getting in the way, even when lowered. Also I had trouble getting the heater hoses off the heater core end from the engine compartment. I still had the original old-school clamps that you have to sqeeze and slide. They were pretty much part of the hose and wouldn't budge. I ended up cutting one of the hoses.

I'd remove the front seats (4 bolts each) to give you more leg room to lay down. I removed all my seats and carpet as well because I replaced my carpet at the same time.

PepBoys quoted me about 650 for the job. Screw that. Well I learned a lot and could probably do it much faster next time. Which I pray will never come to be.

Good luck though!!!
Reply
Old Oct 10, 2003 | 05:52 AM
  #11  
novass's Avatar
TGO Supporter
iTrader: (1)
 
Joined: Nov 2002
Posts: 1,132
Likes: 1
From: Grand Island, NY
Car: 1990 Formula
Engine: 305 TPI
Transmission: WC T5
I just finished my hc install last weekend. I got to the top bolt the easiest by taking off the dashpad and taking out the pass speaker. I also took off the piece of dash plastic just below the map pocket (on a bird) the part that has the performance suspension badge. I moved the "electronic module" that is bolted under that dash plastic (more like center left) and dropped out the ecm . With a 1 foot extension I was able to go straight in to get to the bolt. I put my hand thru the speaker opening to help guide the socket on the bolt.
I'm not sure how much different it would be with a camaro, if things line up the same way and if access will be the same.
good luck.
Reply
Old Oct 10, 2003 | 12:56 PM
  #12  
TJQIROC's Avatar
Member
20 Year Member
iTrader: (1)
 
Joined: Aug 2003
Posts: 333
Likes: 20
From: South Jersey
Car: '16 Camaro SS, '88 IROC
Engine: 6.2 Gen V
Transmission: 6 spd TR6060
As you can read, the heater core is a real pain to change. If you concider that the core is pretty cheap, the cost of paying for installation is like 99% of the cost. If you are handy, it should take a day. Like I said, get a decent manual and have fun. yea, right!!
Reply
Old Oct 10, 2003 | 07:20 PM
  #13  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
Originally posted by TJQIROC
As you can read, the heater core is a real pain to change. If you concider that the core is pretty cheap, the cost of paying for installation is like 99% of the cost. If you are handy, it should take a day. Like I said, get a decent manual and have fun. yea, right!!
lol yeah I hear ya
Reply
Old Oct 10, 2003 | 09:53 PM
  #14  
1986tpiiroc's Avatar
Member
 
Joined: Nov 2002
Posts: 291
Likes: 0
From: South Florida
Car: 1986 IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Dont know yet
That brings back bad memories. i had to do that last year on my 86 ROC. Took me 2 hours of swearing to complete. Yes it is a PITA!!! The hardest part is that top bolt. I used a snake driver and was able to get it off. All I did was remove dash pad, speaker, Bottom Pass panel, and ECM. Wouldnt want to do it again thats for sure.
Reply
Old Oct 11, 2003 | 07:14 PM
  #15  
TJQIROC's Avatar
Member
20 Year Member
iTrader: (1)
 
Joined: Aug 2003
Posts: 333
Likes: 20
From: South Jersey
Car: '16 Camaro SS, '88 IROC
Engine: 6.2 Gen V
Transmission: 6 spd TR6060
Yea, 1986tpiiroc, I felt the same way when I completed the job. But if it did happen again, there is no way I would pay someone $500 to replace a $30 part. I was just amazed that after I took the whole dam dash apart, that I was able to get it back together again. Other then those dam hoses, it was by the book.
Reply
Old Oct 12, 2003 | 12:33 PM
  #16  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
well I went out and looked at the dash and said frigg it!
I started ripping and tearing........I got it all apart and got the old core out....and the new one went in way too easy
I got all the screws back in and the complete dash,wheel,console,dash pad back together and I came in for a break! It took me about
2-3 hours and when I go back out I'll do the big test.......

start her up and check for leaks

I'll let ya know how it turns out,thanks for the input and ideas
I wouldnt have even tryed it untill I see so many other people have done it,I meen Ive done motors trans.etc. so hell I'll try the core project that everyone hated so much lol
Reply
Old Oct 12, 2003 | 04:34 PM
  #17  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
HELP!!! I did the core change,went back out to start it up and run to temp.It turns over fine but wont fire!!!!!!
The fuel pump comes on.....Im lost!!!


NEVER MIND!!!!!!!! Im a little slow today and had yanked a wire out of one of the connectors when I moved my coil to do the hoses,its raining like you wouldnt beleive so I guess I'll check for leaks tomorrow

Last edited by Z dude; Oct 12, 2003 at 05:07 PM.
Reply
Old Oct 12, 2003 | 08:36 PM
  #18  
1986tpiiroc's Avatar
Member
 
Joined: Nov 2002
Posts: 291
Likes: 0
From: South Florida
Car: 1986 IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Dont know yet
Dont get me wrong, I would do it again if I had to, its just I wouldnt want to. Id rather keep the $500 dollars my self and just install the $19.00 Part.
Reply
Old Oct 13, 2003 | 02:56 PM
  #19  
mrzippi's Avatar
Junior Member
 
Joined: Oct 2003
Posts: 38
Likes: 0
From: mississippi
i just changed mine!

I just changed the core out in my '90 IROC. Before i did i checked here for any tips and hints. Lemme tell ya, save yourself some time, remove the dash pad for top screw removal and drop the ecm and the ecm bracket for the top side screw removal. it took me 4 hours to change mine and i spent over a hour and a half just tryin to get these 2 screws out! if i had taken the dang dash pad and ecm bracket out intially it woulda saved me over an hour! even worse! if i woulda checked my damn heater hoses i wouldnt have had to change nuffin! thats right! after all was said and done the core wasnt leaking at all. i got all the way down to removing the hose and pulling the core out. when i went to loosen a heater hose i noticed that it was really loose. so loose that the dang water was running out from around this hose and into the car! well since i had already gone that far i changed it out anyway and also the hoses. so, if anyone needs a good, stock, like new heater core lemme know!
Reply
Old Oct 13, 2003 | 05:34 PM
  #20  
Z dude's Avatar
Thread Starter
Member
 
Joined: Oct 2003
Posts: 352
Likes: 0
From: ME.
Car: 1991 Z-28
Engine: TPI
Transmission: 5-speed Rear:3.73
I got to run mine and its great! I began to wonder the same thing about the hose deal.......The guy I got the car from said the core was bad and had it bypasse,d so I assumed he knew something,but when the old one came out there was no sign of it ever leaking anywhere.....maby it is bad... but either way its new now!
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
BumpaD82
Members Firebirds
31
Apr 4, 2019 10:36 AM
TheExaminer
Cooling
26
Aug 26, 2015 04:59 PM
lakeffect2
Cooling
11
Aug 23, 2015 08:44 AM
1985chevydude
Engine Swap
1
Aug 22, 2015 05:36 AM
Cheibu70
Interior Parts Wanted
3
Aug 15, 2015 12:11 PM




All times are GMT -5. The time now is 02:39 AM.