Assuming that you didnt have the vibration before doing the brake work
tells me your problem is due to the work/parts installed.  More then
likely your husband purchased the cheapest pads on the market with a very
high content of metal in them and thats where the squeaking is coming
from. As far as the vibration goes.....did he purchase cheap rotors?
You say the belt was squeaking, normally that is due to a bad tensioner,
at the mileage the tensioner should be replaced if it wasnt already. The
Tensioner has to be able to spring back freeely and cannont be crooked or
you will have problems.
As far as the engine lite is concerned your gonna have to get the fault
code that is stored before I can give you any kind of info on that
problem.
Engines run hot......dont touch them!!! And why would you sell a car that
you dumped alot of money into and buy another one with so many miles on it
just to start all over again dumping money into it?

Glenn Beasley
Chrysler Tech

Update:

I brought the Caravan down to the local Dodge repair shop and they gave
me a list of necessary repairs totalling almost $4000.00! This included
a rebuilt transmission and many more individual repairs at $200.00 or
more. A small carfax check on the vin came back 21 items, but I am not
paying for the report since I have returned the vehicle and got most of
my money back.

As a result I brought the vehicle back to the guy who sold it to us for
"a friend", and gave me his "as is" speech. I bought that van from him
on 9/12/06 for $2100.00.

After arguing with him, he finally offered $2000.00 in cash back to us,
after I threatened to contact authorities or courts... He also stated
that he would change the tranny fluid out and was sure the van would
run fine, and asked me if he could getting running right would I take
it back. My father was with me, and he told the guy, your being unfair,
and unreasonable.

I could not believe after I showed him the service report that he
actually suggested putting the vehicle back on his lawn and would sell
it for me? I hated the idea that this guy is going to sell this van off
to someone else after changing out the tranny fluid... I definately
refused that offer, and told him not to do that. Now he has it with new
brakes, new gator belt, new tensioner etc,.. bet he'll try selling it
for more.

This guy sells dodge from his front lawn, and I'm almost positive he
knows these models and knows how to temporarily patch them to get the
running just long enough to make the sale. I'm also almost positive
that he does not have a dealers licence and uses the I'm selling for a
friend excuse to try and not be in any trouble. He doesn't work, and we
always see him walking the three mile several times a day. If this guy
is a scam artist he is good, because he made new parts and money off of
me. He also stated before giving the money back,.. if your going to
believe everything Dadge says then I can't help you. Is the Dodge
service center unfair? Could the car not have a bad tranny?

Now that I have my money back, less $500.00 that I also lost fixing and
repairing the van, it's service diagnoses, and less the $100.00 from
the sale, I am feeling like the way all this transpired and some of the
things he said have me concerned...

The vehicle is still in my name, he has the title only signed by me and
he had me put my phone number in the corner of the title. I can hear it
now... "I'm selling it for a friend, if you have any trouble here is
her number"

My husband drove by yesterday and saw him washing off the vehicle
getting it ready for sale again. Is this guy running a scam,.. and have
I done everything I can to protect myself? as I have nothing to show I
no longer own this vehicle. He also asked if he could keep my Dodge
service slip, and I let him, I don't know why. But I assume Dodge has
it on record now, so anyone can get a copy with the vin, which I might
do to try and further protect myself. I'm thinking of sending a friend
over to seem interested inthe vehicle just to see what he says.

Thoughts...

Juliet