Question about 2004 Suzuki Forenza

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Suzuki forenza thermostat 2004, 56000m

Can i change this myself? how step by step? Heat is out and engine overheating...could it be anything else?

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Yas you can, drain the cooling system,disconnect the radiator hose at the thermostat housing cover , undo the two bolts and lift off the thermostat housing cover and gasket, withdraw the thermostat from housing, ri-fitting is the reverse sequence to removal , but use a new cover gasket and ensure that the thermostat is fitted with the jiggle pin uppermost . fill the cooling system .

Posted on Jan 20, 2009

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My 2007 Suzuki forename with 56,000ml. Ac running hot and engine running hot. What to do?


forename?
07 forenza (seems all posts are for this 1 suzuki)
a problematic car for sure....?
in what country, car has 6 engines, but 1 in USA>
so cant help you lacking where you are, (name a country,not your IPaddress)
we have the 2.0L engine, in USA< this is a USA forum so......??

ok the computers in your car are way smarter than say 1988 Samurai.
the PCM that runs the engine, for SURE cuts AC to keep engine from self destructing!! AC can do that,,,,,,
want a cracked or warped engine head ?
no.
the PCM cuts the a/c, and if engine is overloaded. or overheated
so forget the A/C
fix engine overheating (primary issues)
and guess wha?t , that gets worse, so delaying the fix
a $5 part compounds to $3000 new engine.
why not just get car fixed.???
"we cant teach you 50 years of engine problems in 5min time."
best post ever that.. here.

1: fuses good? check them it means.
2: water leaks?
3: levels wrong? (in actual rad, cold tested)
4: fan belts loose?
5: bad thermostat
6: bad water pump, impeller rusted to zip, do to abuse.
7: over heats parked only or moving fast or only up hills,? key facts if only parked the fan is dead.
8; lots more, but i end here

May 29, 2016 | 2007 Suzuki Forenza Sedan

2 Answers

A/C recharged and thermostat replaced, now engine over heats in first 20 minutes of use. After 15 minute "cool down", engine runs fine and in normal temp. zone.


check that there is no air lock in the cooling system
check if the thermostat was installed with the body of the unit facing the block and not the hose

Jun 07, 2015 | 2007 Suzuki Forenza Sedan

1 Answer

WHEN I TURN ON HEATER IN MY SUZUKI FORENZA IT'S BLOWING OUT COOL AIR. HOW CAN CHANGE IT TO GIVE HEAT?


hello andn, is that a double post. ah but this time blow word is added. my previous post answers that,
step to is, does the engine coolant , reach 180F or more temperature
or more. and hold
use a IR pyro gun to test this
are as any pro does, puts hand on upper rad hose and had flies off it 180f, if not BINGO.
ill stop here, to see if yo bingo that.

Oct 11, 2014 | 2004 Suzuki Forenza

1 Answer

2006 Suzuki forenza overheating


vast ways to overheat. do you want a list?
got signs.? just the gauge or got steam... do TELL?
if it really overheated, did the fans come on.
did you read all the diagnostic steps on the FSM? (alldata.com)
or at suzuki pit stop plus for 4 bucks?
have you, tried to replace anything yet>?
do you want to guess or TEST.
one way is long and expensive , other is save money
your call,
most DYI , do the never done full cooling service, now.
full flush and new thermostat.
6 year old thermostat are kind , END of LIFE now.

signs:
(rad id full of 50% antifreeze, look in rad not the overflow tank) COLD.
1: belt slips? to pump? makes noise or just slips?
2: fans never come on.
3: engine pings. (knocks or detonates)
4: steam or water spouting from RAD or side tank?
5: water in engine oil? or a/t trans? (dip stick end looks milky)
6: carbon dust in the AF , when looking on dead cold , rad cap off neck hole..
7: guage lies, or surges. gauges do lie, or air in the block below STAT makes this happen, no sender or STAT can work in AIR POCKET.
none. so did you really check the level cold at RAD cap off?
8: lost engine power?
9: try a new RAD cap yet, for 5bucks. (if the GASKET IS OK, IT'S OK)
10: if all the above works, Use any IR pyro heat gun meter, to see
if all rad tubes, (hot) read the same, top and bottom
if side flow rad? left and right,. each tube starts at about 180F
and drops by up to 50F degrees. to 130F at the other end of tube
if one tube is same temp end to end,it's clogged,

if all that pans out. the pump is bad.
like this one.

http://www.fixkick.com/Cooling-engine/electrolysis1.jpg



the gun
http://www.fixkick.com/my-IR-GUN.gif

for about 15bucks at Harbor Fright (pun)

im sure i missed a test. but that happens as you proceed.
as you gather evidence you will, do other test. or actions.
diagnostic logic.

Sep 29, 2014 | 2006 Suzuki Forenza

1 Answer

Loss of power


Forenza 2004
this is a Suzuki, id sell it, and is not even real Suzuki its a badged
product. actual. Daewoo Lacetti
Daewoo can't sell cars here so suzuki tries and fails... amazing car.

p0217 means overheated.
and when overheated power is lost. stop that or burn up the engine.
do the service on engine, 60,000 miles. steps.
and a new thermostat. i bet yours is 10 years old,,huh and END of life.
non last over that.
id sell it. when fixed, Suzuki's are no good.

FSM data.
Trouble Code Conditions:
Engine is running. Engine coolant temperature is higher than 50 Deg C (122 deg F). Intake Air Temperature (IAT) is higher than 35 deg C (95 deg F). Engine soak time is higher than 360 minutes, or start-up coolant temperature is less than 45 deg C (113 deg F). Engine Coolant Temperature (ECT) sensor reading is greater than 107 deg C (224.6 deg F).
Possible Causes:
  • Sensor ECT
  • Circuit
  • ECM

the fsm skips bad thermostat. odd that... huh"?
and dead cooling fans.
and clogged radiator.
etc.
the first step is to see if it really is overheated, with a IR pyro gun.
if not, the ECT is bad
if is overheated, then fix that, as the ECT didnt lie.

simple , the sensor lied, (nah) or did overheat.

or air pockets at the ECT, low coolant actual.

Feb 23, 2014 | 2004 Suzuki Forenza

1 Answer

Replaced thermostat and new coolant on 2004 suzuki forenza due to overheating problems doing driving on freeway or street as soon as i leave home. Problem stop one day then the next day i had some rough...


there are only 2 ways to overheat,
and vast causes !
1: engine making too much heat.
a: eg. cam/spark timiing way off. eg retarded timing does that.
2: Cooling system failure.

just 2. finding out which one takes tests.
I do my engine checks first.
A; compression. ok
b; timing right.
C: egr closing,
d: cat not melted closed down (huge backpressure, "guaged"

then when happy my engines happy,
I then attack the cooling system.
Thermostat new, and not put in wrong,
wax side to input side,RTM, bleed hole high (jiggle pin,etc)
I use an IR pyro gun $15 to check ALL rad tubes top and bottom
so see if one or more is clogged,, this is easy, ask.

does it over heat parked at a read light
does it never fail moving fast.
these are the top clues.
only fails A/C on?
fans all work, some have 3 on A/C cars up front.

the question is, , is the stalling caused by overheating or is only a victim. only you know that, as you are driving.
if you see bad running before the oveheat, then its just that.
is the car pinging?
engines that ping overheat and blow pistons.
engines that overheat can ping.
but in the latter, it overheats FIRST.
see?

Aug 06, 2013 | 2004 Suzuki Forenza

1 Answer

2006 suzuki forenza keeps overheating have had the water pump replaced and the thermostat and gaskets.


Sounds like a leaking head gasket. The gasket may have been damaged when the engine ran hot the first time.
You should not need to add coolant, so it has to be going somewhere.

Jun 25, 2013 | 2006 Suzuki Forenza

1 Answer

How can I tell if the thermostat in my 2004 suzuki forenza needs to be replaced?


hi natalie. the thermostat opens and closes to send heat to the interior of the vehicle. that said, if your car was cold over the winter even when you turned the heat on then chances are that the thermostat was stuck. if the heat worked as it should, chances are the thermostat is fine. Replacement is quick, the part is inexpensive so if you do have a problem down the road it will be a small repair.
Joe

May 20, 2011 | 2006 Suzuki Forenza

1 Answer

Overheatin gin my 2004 suzuki forenza change the therstat in it


Most likely cause of this is a clogged thermostat. Especiallly if you've ever used a sealer in the past, the thermostat clogs with age and a bad thermostat will tend to back up and fill your reservoir tank. Best of luck with this situation and I hope you've found this post a solution to your problem. All the best!
Greg

May 13, 2009 | 2004 Suzuki Forenza

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