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Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!

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Offline jeff1997

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Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« on: March 09, 2007, 01:13:06 PM »
 Any help would be appreciated. I have A 1997 Sidekick Sport 1.8L. It overheats when driven hard. I've changed the radiator, thermostat, and upper and lower hoses. Nothing has helped so far. I've replaced the water and antifreeze every time. It will not get hot just sitting at idle but when ran at about 3500 rpm for a short time the temp climbs. Funny thing is just before it starts to get hot the heater will start blowing cooler air, not cold just cooler and then the temp quickly goes up. I took both heater core lines off and blew through them thinking it was clogged, it was not. I do not know what to try next. SOMEBODY please help!!!
1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE

Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #1 on: March 09, 2007, 03:37:19 PM »
are you loseing fluid?  That sounds like the symtoms of a head gasket.

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Offline jeff1997

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #2 on: March 09, 2007, 05:00:05 PM »
That's what someone else told me, but I'm not losing water and the oil is not "foamy" or milky. I really do not know what to try next. The heater thing is what I do not understand.
1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE

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Offline Jeremiah

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #3 on: March 09, 2007, 06:05:14 PM »
Sounds like the water pump is the only thing left to swap out?

Before you do that, have you tried making sure your new thermostat is opening at the proper temp? I hear the best way to do this is with a thermomitor, and a pot of watter on the stove.
'96 4 door kick: 29" Pep-Boys M/T, 1.5" OME
'83 SJ410: 31" Toyo M/T, SPOA, 1.3L
'08 Yamaha FZ6

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Offline jeff1997

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #4 on: March 09, 2007, 06:25:14 PM »
I've replaced the water pump and ran it without the thermostat. I've also boil checked the new stat and it opens at the right temp. That is why this is so puzzling to me!!!
1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE

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Offline ROSS

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #5 on: March 09, 2007, 06:55:53 PM »
how's the fan and shroud??
87 SAMI 1600 FUEL INJ. , TORQUER CAM, 6.5 TO 1T-CASE, 5"SPRINGS SHACKLE REVERSE ,2 BODY LIFT, LOCK-RITES FRONT W/ HEAVY-DUTY AXLES & ARB'S REAR  BFG 31 X10.50 X 16",  EXO SKELLETON,

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Offline jeff1997

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #6 on: March 09, 2007, 07:23:25 PM »
Fan is good, clutch has some tension when not running. Shroud is all in tact and in place.
1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE

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Offline crikeymike

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #7 on: March 09, 2007, 08:03:55 PM »
Are you just going by the temp gauge, or does the over flow bottle start to boil?

It could just be a screwed up sensor.  You've replaced the entire system pretty much, so there's not much else it could be.
1993 4-door Sidekick
3" hybrid Calmini/OME lift, 2" B/L, Rear air locker
Shrockworks bar & sliders, Full skid plates
4.24:1 t-case
 WAZUKS member - visit http://www.wazuks.com

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Offline ROSS

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #8 on: March 09, 2007, 08:45:38 PM »
man that would suck if its the sensor
87 SAMI 1600 FUEL INJ. , TORQUER CAM, 6.5 TO 1T-CASE, 5"SPRINGS SHACKLE REVERSE ,2 BODY LIFT, LOCK-RITES FRONT W/ HEAVY-DUTY AXLES & ARB'S REAR  BFG 31 X10.50 X 16",  EXO SKELLETON,

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Offline jeff1997

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #9 on: March 10, 2007, 06:53:52 AM »
I'm just going by the temp gauge. The water in the overflow has never boiled that I know of. If it was the sensor why would that suck???
1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE

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Offline ROSS

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #10 on: March 10, 2007, 06:57:30 AM »
after spending that much on everything else.  at east you now have a new cooling system
the sending unit is easy to change. right on the front of the intke manifold
87 SAMI 1600 FUEL INJ. , TORQUER CAM, 6.5 TO 1T-CASE, 5"SPRINGS SHACKLE REVERSE ,2 BODY LIFT, LOCK-RITES FRONT W/ HEAVY-DUTY AXLES & ARB'S REAR  BFG 31 X10.50 X 16",  EXO SKELLETON,

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Offline crikeymike

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #11 on: March 10, 2007, 07:47:57 PM »
The 2 times mine has over heated, the overflow tank boiled and coolant was flowing out of it's release pipe (or whatever you call it). 

I have a strong feeling that maybe your gauge and temp sensor are giving you false readings.  I drove a car yesterday that showed the temp dropping as you drove it, instead of it rising.

Temp sensors are $10-20 i think, and easy to replace.  That should be your next move in my opinion.
1993 4-door Sidekick
3" hybrid Calmini/OME lift, 2" B/L, Rear air locker
Shrockworks bar & sliders, Full skid plates
4.24:1 t-case
 WAZUKS member - visit http://www.wazuks.com

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Offline Zooki

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #12 on: March 10, 2007, 07:50:41 PM »
The sending unit is at the back of the engine on a 1.8L.  "Coolant Temperature Sensor" is the correct name for it. Don't go asking the guys at AutoZone for a temp sending unit, 'cause they'll say they don't have one. They will, however, have a "coolant temperature sensor"! Mine was about  $40 from them.
   It is a three wire setup, and sends signals to both the computer and the temp gauge in the dash. I had the reverse problem on my Sport, the temp gauge would stay right in the middle, but the engine would boil fluid out. I had put an electric fan in place of the missing(when I got it) mechanical fan, and the aftermarket fan sending unit went bad. Anyway, I replaced the sensor, and now the gauge moves at least. I'm putting in a set of digital gauges to keep a closer eye on things though. As a plus, my mileage went up about 1 to 1 1/2 MPG!

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Offline jeff1997

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Re: Sidekick Sport 1.8 overheating problems. HELP!!!!!!!!!!
« Reply #13 on: March 11, 2007, 08:20:20 AM »
Thanks for all the help guys!! I hope I can get this fixed. I love my Zuki but not when it gives me this kind of trouble. By the way I have a 1.5" coil spacer lift, 3" Masterkit body lift and 30.5" MT tires. I also have a "homemade" cold air kit and Glasspack muffler with a 16" long x 3" stainless tip. It sounds great!! I also sell the 1.5" coil spacer lifts on E-bay if anyone's interested. Look under the seller name: hoepkers. Thanks again!!
« Last Edit: March 11, 2007, 08:43:50 AM by jeff1997 »
1997 4dr. Sidekick Sport 1.8L DOHC
2" coil spacers- I make and sell 1.5" and 2" on e-bay.  Look under seller: hoepkers
3" Masterkit1 body lift
Custom strut spacers
31/11.50/16 Super Swamper LTB's w/1.5" wheel spacers Steel bumpers Custom cold air intake 2" exhaust w/cherry bomb 98 Expedition, 2" lift, 35's, Magnaflow exhaust - BIG BLUE