Question about Mazda CX-7

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I would like to know ,if my mazda cx-7 2010 have a timming belt or a timming chain . thank you Stephane Harvey .

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Chain most likely but may have plastic gears, Most common.

Posted on Mar 22, 2011

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Posted on Jan 02, 2017

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2 Answers

When should a timing belt be change on a mazda cx


Contact your local Mazda dealer and ask them. Manufacturers all have different intervals for specific type of services and maintenance.

Some vehicles have a belt and others have a chain. In belts, most commonly are changed within 80,000 to 100,000 miles. With chains, as long as you maintain your oil changes up to date, no need to replace. But consider that hard driving affects the overall performance of this component.

Jul 27, 2017 | Mazda Cars & Trucks

1 Answer

2009 mazda CX-7 an interference or non-interference engine?


the book does not specify that it is an interference engine but it specifically states not to turn the crank shaft with the chain disconnected. To me this means, treat it as possible valve damage if the chain has broken or if you turn the crank with the chain missing.

May 14, 2014 | 2009 Mazda CX-7

1 Answer

Cx 7 mazda cel codes P0011 and P0016


Causes may include:
  • Timing chain stretched, or timing belt skipped a tooth due to wear
  • Misalignment of timing belt/chain
  • Tone ring on crankshaft slipped/broken
  • Tone ring on camshaft slipped/broken
  • Bad crank sensor
  • Bad cam sensor
  • Damaged wiring to crank/cam sensor
  • Timing belt/chain tensioner damaged
  1. First, visually inspect the cam and crank sensors and their harnesses for damage. If you notice broken/frayed wires, repair and recheck.
  2. If you have access to a scope, check the cam and crank patterns. If a pattern is missing, suspect a bad sensor or a slipping tone ring. Remove the cam gear and the crankshaft harmonic balancer and inspect the tone rings for proper alignment and make sure they're not loose or damaged or that they haven't sheared the key that aligns them. If they are properly installed, replace the sensor.
  3. If the signal appears normal, then check the timing chain/belt for proper alignment. If it's misaligned, check for a damaged tensioner that may have allowed the chain/belt to slip a tooth or several teeth. Also check that the belt/chain isn't stretched. Repair and recheck

Jan 24, 2014 | Cars & Trucks

1 Answer

Timing belt same clicking noise 2007 mazda cx7


vvt actuator and you are driven by timing chain not belt common problem in cx-7

Feb 11, 2011 | 2007 Mazda CX-7 Grand Touring

1 Answer

I have 131,000 miles on my 2007 Mazda CX7. Runs great, timing chain/belt has never been changed nor recommended to me by dealer (had fallout at 109,000) & just oil changes since. Preparing for 14 hour...


it should have be changed at about 750000 mi ,belt...and for the most part look things over your self even before u go check fluids, serp..belt, check for cracks ..proper air in tires ...and so on

Dec 15, 2010 | 2007 Mazda CX-7 Grand Touring

2 Answers

Timing Chain Broke on CX-7 2007


The timing chain should of been changed at 30,000 or 60,000 miles it's in the owwners manual.

Aug 20, 2009 | 2007 Mazda CX-7 Grand Touring

1 Answer

My 2007 Mazda CX-7 is making a chattering sound on the timeing chain side and now the belt or pullie is squealing.


the chain has stretched, it will get worse and you will damage the engine. you need to take it to the dealer so they can fix it under warranty. they now about the problem and in the last few months have seen a lot of these. if you are not over 60k then you still have power train warranty and can get it fixed for free.

Aug 16, 2009 | 2007 Mazda CX-7 Grand Touring

1 Answer

2006 mazda 3 no compression


the timming belt or chain,doesnt have to be off the cogs to be ok,,,chains jump and belts shear,timming could be off and vlavles bent and not closing ,,this would cause no compression

Jul 05, 2009 | 2006 Mazda 3

1 Answer

Noise when start engine


I have the same problem with my CX-7, but I haven't find solution yet :( :( :(
They open the engine and replace the timing belt tensioner, but that was not the problem

Aug 17, 2008 | 2007 Mazda CX-7 Grand Touring

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