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Engine running hot

Tiny
JROO99
  • MEMBER
  • MAZDA 626
Mazda 626, 1996, 102,000 miles, 4 cylinder
I have had my daughters car to the repair shop 4 times now for overheating related problems.
1st The belt broke and the waterpump was replaced along with thermostat.
2nd The belt broke again and this was replaced.
3rd The thermostat was replaced again.
4th The belt broke again and this again was replaced along with pulleys.
The machanic does not know why it is overheating and belts are breaking.
It still is overheating. What happens is: it starts out ok and then after some time the temp gage goes hot (not to red) and then comes back down. This hapeen continually and sometimes does reach red before coming back down.

Can you give me some advice?
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Saturday, January 27th, 2007 AT 8:09 AM

5 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Waterpump is seizing, when it gets hot. We had one of these last year and it ended up smoking the motor.

Monday I can check to verify it. Maybe it was the alternater that was seizing? Almost positve the waterpump though. When the car was towed in it had cooled and released.
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Saturday, January 27th, 2007 AT 8:17 AM
Tiny
RASMATAZ
  • MECHANIC
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Hey Paul, I'll leave this one for you-this overheating thing is getting real old for me. Something tells me you have nailed this one-Y pulley and belt problems-BTDT also with AC compressor

Good Luck -I'll see you somewhere in here. Everywhere I go you're right beside me. Day or Night
Anyway I got nothing to do and got all day to do it.
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Sunday, January 28th, 2007 AT 1:04 AM
Tiny
SERVICE WRITER
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We had the same car in our shop with this exact problem, but the customer was a DR. That just thought he could keep driving it when it overheated :roll:

RAZ, The hell of it is I have things I have to get to, but just can't push away :x
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Sunday, January 28th, 2007 AT 6:01 AM
Tiny
COSMO
  • MECHANIC
  • 347 POSTS
This sounds familiar.I had a 626 with an aftermarket pump. The impellar slid down the shaft and made contact with the block causing the shaft to spin on the impellar and also threw belts.

Cosmo. Mazda TEch
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Sunday, January 28th, 2007 AT 11:04 AM
Tiny
SERVICE WRITER
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Okay, it was a 99 636 with a 2.0

The alternater was what seized and was snapping the belts.
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Monday, January 29th, 2007 AT 4:51 PM

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