93 PONTIAc with ALOT of problems
rican_chic
04-09-2006, 09:08 PM
:banghead: okay I have some major problems here and I have lost my haynes manuel for my van. so please help me and be very specific. If you have any diagrams or online references I can use , please let me know.
Problem 1. The spark plugs and wires need changed, badly, my engine is running ruff and I am POSITIVE this is what it is. Sooo If anyone can give me the diagram or a very clear step-by step directions on how to put the wires in the right order let me know ( engine is 3.8)
Problem 2.The blower Fan In my heater is not running, I think that heat is still coming out but the fan wont push. it used to be loud and make noise , but now it is just dead. Clear directions on how to change it or online guidance will be appriciated.
Problem3. My starter is out , okay almost out , I can still beat it to make it work, anyway , my starter is in the front driver side and looks fairly easy to change but i need to be sure and would appriciate some help.
Problem 1. The spark plugs and wires need changed, badly, my engine is running ruff and I am POSITIVE this is what it is. Sooo If anyone can give me the diagram or a very clear step-by step directions on how to put the wires in the right order let me know ( engine is 3.8)
Problem 2.The blower Fan In my heater is not running, I think that heat is still coming out but the fan wont push. it used to be loud and make noise , but now it is just dead. Clear directions on how to change it or online guidance will be appriciated.
Problem3. My starter is out , okay almost out , I can still beat it to make it work, anyway , my starter is in the front driver side and looks fairly easy to change but i need to be sure and would appriciate some help.
LMP
04-10-2006, 08:22 AM
YOU can browse through a lot of diagrams here:
www.avigex.ca/xport/index.txt
firing: www.avigex.ca/xport/3800firing.jpg but being POSITIVE about that indicates you have no codes showing www.avigex.ca/xport/readingcodes.jpg and EGR valve is definitely OK and IAC valve is clean and....well OK...
about heater fan,
www.avigex.ca/xport/hvac_diagram_front.jpg
NO speed at all could mean the motor itself: test it with a pair of wires to feed 12v direct to motor.
or, if it works, the low speed relay is dead..because it feeds all lower speeds through the resistor bank..and feeds supply to the HI SPEED relay coil. It is under the dash in the "convenience center"...not so conveniently located.... www.avigex.ca/xport/convenience_center.jpg
for a test you can try to use other similar relays beside.
if HIGH still worked, then the resistor bank would be the culprit.
www.avigex.ca/xport/heaterrelay.jpg
BUt even at lower speeds, the juice has to go THROUGH the unactivated HIGH SPEED relay . It has happened that it was destroyed by heat as well as its connector.
as for the starter...first make sure all power cables and battery connnectors are tighten and CLEAN from all corrosion: thousands of starters and batteries and alternators have been changed just because of a corroded connector.
www.avigex.ca/xport/fusiblelinkh.jpg
www.avigex.ca/xport/starterlocation.jpg
...I hope this is specific.......
www.avigex.ca/xport/index.txt
firing: www.avigex.ca/xport/3800firing.jpg but being POSITIVE about that indicates you have no codes showing www.avigex.ca/xport/readingcodes.jpg and EGR valve is definitely OK and IAC valve is clean and....well OK...
about heater fan,
www.avigex.ca/xport/hvac_diagram_front.jpg
NO speed at all could mean the motor itself: test it with a pair of wires to feed 12v direct to motor.
or, if it works, the low speed relay is dead..because it feeds all lower speeds through the resistor bank..and feeds supply to the HI SPEED relay coil. It is under the dash in the "convenience center"...not so conveniently located.... www.avigex.ca/xport/convenience_center.jpg
for a test you can try to use other similar relays beside.
if HIGH still worked, then the resistor bank would be the culprit.
www.avigex.ca/xport/heaterrelay.jpg
BUt even at lower speeds, the juice has to go THROUGH the unactivated HIGH SPEED relay . It has happened that it was destroyed by heat as well as its connector.
as for the starter...first make sure all power cables and battery connnectors are tighten and CLEAN from all corrosion: thousands of starters and batteries and alternators have been changed just because of a corroded connector.
www.avigex.ca/xport/fusiblelinkh.jpg
www.avigex.ca/xport/starterlocation.jpg
...I hope this is specific.......
paul.v
04-12-2006, 06:45 AM
You have quite a list.
I am scrapping a 93 if you need parts...just put in a new PCM..
Anyway, I cant stress enough how much alldata.com has helped me. Thats what the GM mechanics use..25.00 for a 1 yr sub to diagnostics, wiring daigs...everything.
The one thing that haunted me with my 93 was bad grounds...They are all over the place...replaced my PCM & ign mod & then found bad ground to crank sensor...couldnt find the ground source so I just gave it a new one & worked great.
Go to alldata..you wont be sorry.
Paul
I am scrapping a 93 if you need parts...just put in a new PCM..
Anyway, I cant stress enough how much alldata.com has helped me. Thats what the GM mechanics use..25.00 for a 1 yr sub to diagnostics, wiring daigs...everything.
The one thing that haunted me with my 93 was bad grounds...They are all over the place...replaced my PCM & ign mod & then found bad ground to crank sensor...couldnt find the ground source so I just gave it a new one & worked great.
Go to alldata..you wont be sorry.
Paul
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