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Mazda 626



  • I have a 97 Mazda 626 v6 and it just turned 100K. Since a week ago or so, whenever I stop at a traffic light and begin to drive, it makes a loud squeaky noise. I have to park it and then drive for the sound to go away. Any ideas as to why it is happening? I just had the tailpipe, muffler, spark plugs and a bunch of hoses replaced.

    Any suggestions are appreciated. Thank you.
  • lngtonge18lngtonge18 Posts: 2,228
    It could be a loose or worn out alternator belt.
  • p100p100 Posts: 1,116
    Mazda appears to use 19mm oil drain plug on most passenger cars. Both my 92 Protege and 99 626 had a 19 mm hex head oil drain plug. Chances are yours is a 19 mm too. Nissan seems to favor 14 mm oil drain plug sizes.
  • p100p100 Posts: 1,116
    Agree with the above suggestion. I had an identical problem with my 95 Nissan truck. It turned out to be a loose alternator belt. At first I suspected the A/C compressor belt.
  • I am planning on having the timing belt changed on our 2000 626 V6 LX Auto transmission. The car has 77,000. I called the local dealer and was quoted a price of $350. This seems high by about $100. Am I wrong?
  • lngtonge18lngtonge18 Posts: 2,228
    Replacing the timing belt normally costs about $300 for a four cylinder and V6's cost more so I would say your price is right about where it should be. Expect it to run higher if they replace the water pump, which you should.
  • mcdawggmcdawgg Posts: 1,666
    At a dealer, I have paid as much as $300 and as little as $99.
  • riswamiriswami Posts: 192
    the answer on the oil drain plug size. I went to Sears and bought a 19mm. It is the one.

    I have a 95 MX-6 with the 4. I just bought it from a family member. It had 128k when I bought it, so I just did the timing belt and water pump at the same time. I was quoted 360, I think it came closer to 400. A tensioner broke during the chain of the belt.

    I got to say that I'm impressed with how this car runs. Mine is a five speed and it is responsive and very good on gas. I've gotten 31 to 34 mpg consistenlty.

    I've been reading through the post to get an idea of problems and durability with this car/engine. Doesn't appear to be many issues. I know this car has seen synthetic oil its whole life. So I think the last thing to die will be the engine.
  • Change timing belt at 105K..Our engines(V6 only) are non interference so you are safe to let it run longer. :-)
  • I was quoted a price of $550 with waterpump by nearby dealer. The car is 3 1/2 years old, 77,000 miles. Why should it need a waterpump?
  • riswamiriswami Posts: 192
    The pump may be fine. It is right there, the timing belt drives the waterpump. So there is no additional labor charge to get there. You can roll the dice and not replace the pump.
  • p100p100 Posts: 1,116
    First, $ 350 is cheap for timing belt replacement on a V6 engine. Our local Mazda dealer quoted me $ 570 for this job. They also change cam sprocket seals and front crankshaft oil seal. I have 95K miles on my 99 626 V6 and have not changed the original timing belt yeat (I will do it soon though). Even though these are noninterference engines, I was told that there is a chance of engine damage if the belt breaks at high engine RPM.

    I would not change the water pump at 77K miles. The chance of it failing within next three years are not high. I changed the waterpump preventively on my 92 Protege at 65K miles and the original waterpump was like new.
  • i have a problem where the intermittent wipers won't work. the wipers slow and fast but it won't do the intermittent speeds or the washer selection. the pump works fine and i get the mist on the windshield but i have to switch to slow or swipe to clean it.anybody have any ideas.someone told me it could be a relay switch in the steering column.
  • What is a non-interference engine?
    My son will be taking the car from Massachusett to LA and I don't want to worry about it.
  • lngtonge18lngtonge18 Posts: 2,228
    Very good chance you have a bad wiper relay which is part of the wiper switch. Mazda had big time problems with these in the 86-91 Rx7. When the relays fail on these cars, the wipers will only work on slow speed. The washer motor will spray but the wipers won't automatically move. Your problem sounds exactly like the Rx7. I hope for your sake that Mazda made the switches less complicated as they are extremely expensive to replace. On the Rx7, a new one costs over $400 from a dealer and over $300 online. Thankfully, I was able to find a place that rebuilds the switches and replaces the problem prone relays with better quality ones for much cheaper.
  • It means that if your timing belt breaks pistons and valves will not collide and damage each other which would be the case in mazda's 4banger.

    Mazda recommends changing exactly same belt at 105K miles in California and some other I think we should be fine too.
  • thanks but where is the wiper relay?
  • lngtonge18lngtonge18 Posts: 2,228
    I don't know for sure where it is, but since the wiper switch is inside the steering column, more then likely the relay is inside the switch assembly. Unless you know how to repair electronics, the only way to fix your problem is to replace the entire wiper switch.
  • Thanks for the quick reply.
  • pidzypidzy Posts: 12
    When driving down highway at 120 km/h the engine will stall suddenly, then will not restart. Had to tow to dealer. They said it was ignition coil. Had whole distributor replaced and it would still not start. The dealer than said it was the battery - however it is only one year old. All cables OK and alternator is new. Any ideas on what could be the problem.
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