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2001 pontiac grand prix 3.8l dumped a bunch of coolant on…

Customer Question
2001 pontiac grand prix...

2001 pontiac grand prix 3.8l dumped a bunch of coolant on the ground within a minute of starting. is the water pump trying to tell me something, or might the radiator cap been improperly fitted?

Mechanic's Assistant: Has the vehicle ever overheated? And when was it last serviced?

Has not overheated. replaced battery two weeks ago. just a around town car now

Mechanic's Assistant: Are you fixing your Grand Prix yourself? What have you tried so far?

Trying to fix it myself, tried nothing except examined the hoses, and took off the radiator cap to find a fare amount of sludge

Submitted: 2 months ago.Category: Pontiac
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Answered in 1 minute by:
12/16/2017
Pontiac Mechanic: rpmdiag, Tech and Instructor replied 2 months ago
rpmdiag
rpmdiag, Tech and Instructor
Category: Pontiac
Satisfied Customers: 8,489
Experience: Since 1975
Verified

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

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Pontiac Mechanic: rpmdiag, Tech and Instructor replied 2 months ago

This sounds more like a hose or a freeze plug to me. A water pump won't dump out fluid.

Please understand that I don't know your skill level or tools
you have to assist us. Also understand that I can't see, smell,
hear, or touch the vehicle either, so your patience is
appreciated. JA is a great Q/A site, but it does not replace a
repair shop. So please don’t shoot the messenger if I have to
deliver bad news:)
If you are satisfied with my answer, I would greatly
appreciate a 5 star rating now before you leave the site and I
will still assist you after you have rated me too if another
question pops up. I don’t get credit for helping you until
you rate me

Thanks, Ron

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Customer reply replied 2 months ago
thanks, ***** ***** to find the source there, knowing its not the pump is what i was looking for
Pontiac Mechanic: rpmdiag, Tech and Instructor replied 2 months ago

Great, please keep me posted if you need more help.

Thanks again and please remember to rate me 5 stars now
and keep this link in case you need me again later on.
I don’t get credit for assisting you until you rate me

Ron

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Pontiac Mechanic: rpmdiag, Tech and Instructor replied 2 months ago

Thanks again and please remember to rate me 5 stars now
and keep this link in case you need me again later on.
I don’t get credit for assisting you until you rate me
My goal is to assist you in the repair of your vehicle by
supplying you with well educated information. I may not
always have the exact fix you wanted to hear, but my job is
to get you on the right track, which I always do. I can’t hear,
see, smell or touch your vehicle from where I’m at, so your
understanding of that is greatly appreciated. There are no
magical answers, but I do my best to guide you in the right
direction.
Please understand that I don't know your skill level or tools
you have to assist us. Also understand that I can't see, smell,
hear, or touch the vehicle either, so your patience is
appreciated. JA is a great Q/A site, but it does not replace a
repair shop. So please don’t shoot the messenger if I have to
deliver bad news:)
If you are satisfied with my answer, I would greatly
appreciate a 5 star rating now before you leave the site and I
will still assist you after you have rated me too if another
question pops up. I don’t get credit for helping you until
you rate me
The problem can be a loss of spark or fuel. You can check
for spark at the plugs with a spark tester. Check
compression too for a possible valve timing issue with a
compression gauge. You can check fuel pressure with a
gauge and all of these tools should be available to you at
your local parts store for rent or purchase. You need to
check for any stored codes in the computer with a
code reader or a scan tool. The code reader only gives the
codes and definitions, where the scan tool gives you all
the needed data to diagnose the codes.
Misfires can be caused by ignition, ie: plugs, wires, coils etc.
They can also be caused by fuel delivery to the cylinder by a
bad injector or an injector that has no power to it.
Lastly, low compression will cause a misfire.
Here’s the sequence of events I follow:
Check fluid level and color. Make appropriate repairs.
Check shift solenoids with a scan tool in bidirectional mode if
applicable. Shift solenoids are inside the transmission and
this is the easiest way to check them.
Drop pan and inspect for excessive metal shavings inside
pan. Check valve body and clutches visually.
Hopefully you may not have to go this far, maybe you just
were a bit low on fluid.

Ron

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rpmdiag
rpmdiag
rpmdiag, Tech and Instructor
Category: Pontiac
Satisfied Customers: 8,489
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Experience: Since 1975

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