I have a 1999 grand marquis n My heater seem to blow heat when I'm driving but it's really not pushing heat out n I just change the blower motor

Mar0532
45

Asked by Mar 21, 2013 at 07:30 PM about the 1999 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

14 Answers

You seem to have solved your own problem, I dare say--- You could check coolant level and thermostat behavior as it relates to engine temperature~ Seem like it's easy to get to? a lot of these are conveniently bascially c-flange arrangements and only take a moment to replace. Tell me that this is one of those easy to replace models....else will be turning to u-tube with checkered results-

tenspeed
85,975

It could be a worn water pump that is not circulating the coolant at low engine speeds.

1 out of 1 people think this is helpful.

loogout! http://www.youtube.com/watch?v=Ja4dAjFk5Jk

I cannot contain myself from laughing at the vid that tenspeed had us watch with regard to moto mounts----hey, I've met this guy. I know ths guy. Drove a yellow cab thru the core when time was I had to- and lived Downtown Oakland for fifteen years.

Mar0532
45

Judge Roy I have already change out the blower

1 out of 1 people think this is helpful.
Mar0532
45

No I don't kno that is to b honest

1 out of 1 people think this is helpful.

it's a resistor pack, if it burns out will leave you with the condition you're describing exactly---lemme come up with an example you can take to the bank...er um autoparts store~

1 out of 1 people think this is helpful.

http://www.youtube.com/watch?v=7x9jUYyEWhk

Mar0532
45

I'm check this out in am

Mar0532
45

Where would this piece be at

look at that stupid video shows how easy, just have to feel comfortable rippin apart your dash...it's easy once you gather the courage!

1 out of 1 people think this is helpful.

rarwrawr rip and tear, bruno, rip and tear!

It is located on a flat on the plenum...yes that's what it's called, a plenum~ it's made of tough plastic.

1 out of 1 people think this is helpful.
tenspeed
85,975

If all of your blower fan speeds work, your resister is good.

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