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1991 Pontiac Grand Am

Tiny
GRG62FOX
  • MEMBER
  • 1991 PONTIAC GRAND AM
Have a 91 grand am, with a quad 4,119000 miles
symptoms: after running car for 25, 30, miles, the car stalls at any stop sign, or slowing down. Will start right
back up, but will stall ones in gear. Put in park, will start up until you put in gear. After about 5 min, will go into gear, but fell like the car is in overdrive, no power. Put car into low gear manually, and floor it it will take off, but still
not shiftin good.I got told the I.A.C. IS BAD. And the no # 2 injector is bad. Will this fix this? They want $600
to fix. Am concern adout the tranny problem

thanks
Glenn
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Friday, February 3rd, 2006 AT 4:51 PM

8 Replies

Tiny
JUSTIN NEITZEL
  • MEMBER
  • 7 POSTS
This sounds very posible sorry for the bad news them injectors can get expencive
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Friday, February 3rd, 2006 AT 11:06 PM
Tiny
MVANNESSJR
  • MECHANIC
  • 223 POSTS
I wouldn't go that far. Does the car break 45-50MPH before stalling? If this is the case then you will need to replace the Torque Convertor Clutch Solenoid. I just had this done in my 92 Quad 4. Cost me $300 and about $30 to clean the I.A.C. If you go this route you will need to do a transmission service (about $80-$120).
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Saturday, February 4th, 2006 AT 8:17 PM
Tiny
GRG62FOX
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  • 4 POSTS
No the car don't break at 45-50 mph, actually the car runs very smooth, what should I try first? Do'nt want to keep putting bad money in. If you no what I mean
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Sunday, February 5th, 2006 AT 5:11 PM
Tiny
MVANNESSJR
  • MECHANIC
  • 223 POSTS
What I was getting at is do you exceed 45-50mph at any time prior to coming to a stop? Meaning if you drove it around the block for 25 minutes going 10-15mph does the car still stall? I'm trying to see a pattern in the stalling and eliminate a popular and most often overlooked problem with the car.
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Sunday, February 5th, 2006 AT 10:18 PM
Tiny
SVS_WTF
  • MEMBER
  • 11 POSTS
[quote="grg62fox"]have a 91 grand am, with a quad 4,119000 miles
symptoms: after running car for 25, 30, miles, the car stalls at any stop sign, or slowing down. Will start right
back up,

this is a tcc problem !AkA:Torque Convertor Clutch Solenoid. Its easy to do your self in that car for around 46$
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Monday, February 6th, 2006 AT 10:50 AM
Tiny
GRG62FOX
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  • 4 POSTS
Sorry about that. To anwser your question, yes we go well over 45/50 mph. And still you can tell when you start slowing down to a red light, or a left or right hand turn the car will start to stall and if it does stall it will still start right back up and once you put it in gear it will stall again. After about 5 minutes once you do get it in gear again it feels like the car is in over drive and you have to shift manually and it still shifts terrible. I just want to know what step I should try first (the cheapest way out) or do I get rid of it? Any more advice would be appreciated.

Glenn
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Monday, February 6th, 2006 AT 3:28 PM
Tiny
MVANNESSJR
  • MECHANIC
  • 223 POSTS
This is a torque convertor clutch solenoid problem. On the Quad 4 engine the t.C.C. Solenoid is located in the side transmission pan. The part runs about $70-$80 in this vehicle and is NO fun to replace. You will also need to do a transmission fluid exchange after removing the pan.

SvS_Wtf has probably never done it in this car before. I can tell. :Oops:
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Tuesday, February 7th, 2006 AT 2:54 AM
Tiny
GRG62FOX
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  • 4 POSTS
Mvannessjr, thanks for the info, will try the solenoid

thanks
Glenn
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Tuesday, February 7th, 2006 AT 4:06 PM

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