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I am working on a 2007 Mazda cx7 2.3L turbo and I am
Hi,I am working on a 2007 Mazda cx7 2.3L turbo and I am replacing the timing chain. I have the crank shaft bolt and the camshaft holding bracket. I replaced the vvt cam phaser, is there a certain posi… read more
Matt
Matt
Engineer
Bachelor's Degree
16,177 satisfied customers
2007 CX-7. Loud ticking noise. I see bulletins regarding
2007 CX-7. Loud ticking noise. I see bulletins regarding VVT. There is very little room to work on the engine. What's the standard procedure - pull engine to be able to remove the cylinder head cover … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
6,895 satisfied customers
Vvt actuator replacement... new chaing as well... all worked
vvt actuator replacement... new chaing as well... all worked as describe. driver reports sluggish acceleration.. no clicking or misfire as ideal... althogh after starting the rpms are at 1200.. then s… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
6,895 satisfied customers
Clatter on starting my CX7 (2007 model, 2.3l turbo ) I am
Clatter on starting my CX7 (2007 model, 2.3l turbo ) I am led to believe it is in the timing chain or more specifically the vvt gear … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,967 satisfied customers
My problem is I did not the old actuator and now how I'm
my problem is I did not mark the old actuator and now how I'm going to install the new one???i did replace the timing chain because was making a rattle noise, found actuator foiling a part like I said… read more
Juan Crespo
Juan Crespo
Sr. Technician
Bachelor's Degree
1,262 satisfied customers
I have a 2007 mazda 3 with 2.3l auto, when accelerating
I have a 2007 mazda 3 with 2.3l auto, when accelerating lightly the engine makes a funny noise,like a rattle/vibration and sounds like its cutting out or misfiring,not a smooth accel, loosing power. v… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,591 satisfied customers
Ew, I have a 2007 Cx7 that has done 167000km but now the VVT
Hi Drew, I have a 2007 Cx7 that has done 167000km but now the VVT assembly needs to be replaced. The dealer is scaring me to offload the car saying its done too many km's to warrant a repair of this t… read more
Wayne Crawford
Wayne Crawford
3,945 satisfied customers
2007 cx7 I replaced the timing chain and vvt actuator,
2007 cx7 I replaced the timing chain and vvt actuator, because it was noisy. I inserted the pin to lock the crankshaft, I put it to tdc use the tool to lock camshaft. Install the chain, tensioner, and… read more
Jared D
Jared D
Shop Supervisor
Bachelor's
2,386 satisfied customers
took my 2007 Mazda CX7 into dealer was making alittle rattle
took my 2007 Mazda CX7 into dealer was making alittle rattle when I started They said that it was the timing chain Ordered parts and said it would be a week to get them . Charged me $681 for parts and… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
12,790 satisfied customers
Mazda Cx7: I have a 2007 Mazda CX7 and I did order the timing
I have a 2007 Mazda CX7 and I did order the timing chain kit which brings chain and vvt sprocket and all the other things need it to do the job, now the VVT sprocket and timing chain are thiner than t… read more
Wayne Crawford
Wayne Crawford
3,945 satisfied customers
Mazda cx7: I am trying to replace the vvt actuator on a 07
I am trying to replace the vvt actuator on a 07 CX7. I don't know how to install the vvt properly. I have the tool position the crank and cams at TDC, but I don't know how to position the VVT properly… read more
mazdamaster577
mazdamaster577
Master Technician
691 satisfied customers
Mazda Miata: Im helping my pastor work on his 2006 miata we
Im helping my pastor work on his 2006 miata we had the head rebuilt reinstalled everything, the engine starts an idles fine but when the rpms rise, the valve train / chain makes a loud rattling noise,… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,642 satisfied customers
Mazda CX-7 Touring: Hello I have a 2007 cx7 I have been getting
Hello I have a 2007 cx7 I have been getting dtc p0012 timing over retarded with my actron cp9575 autoscanner.I replaced the vvt solenoid cleared the code cycled get same code. Not sure where to go nex… read more
Greg
Greg
Shop owner, technician
Vocational, Technical or Trade Scho
5,861 satisfied customers
Mazda CX-7 Sport: we just changed the actuator on the intake
we just changed the actuator on the intake cam. The camshaft was free wheeling due to the broken actuator. In we did not mark the exhaust cam. How do we time the two cams. The car is running but not l… read more
Drew
Drew
Super Mazda Tech.
Vocational, Technical or Trade Scho
2,188 satisfied customers
2009 Mazda: timing chain..synthetic..let the turbo cool down
I have a 2009 Mazda CX-7 which has given me no trouble so far after 5 months. However the customer reviews indicate that it has been plagued by problems with the timing chain and turbocharger. I have … read more
mazdamaster577
mazdamaster577
Master Technician
691 satisfied customers
2007 mazda: loud noise..starter..rattling noise..drivers seat
My 2007 Mazda CX7 is making is making a loud noise for a few secounds when I start it up . Our first thought is that it sounds that maybe the starter is haning up? It's kind of a rattling noise that a… read more
Mazda Ed
Mazda Ed
ASE Certified Technician
High School or GED
264 satisfied customers
Mazda: timing chain..actuator..another noise at revs under load
Had a noise on start up in Mazda CX7 2007. Replaced timing chain & VVT actuator. Noise is gone on start up but now has another noise at revs under load. Noise stops when Oil Control Valve to actuator … read more
Drew
Drew
Super Mazda Tech.
Vocational, Technical or Trade Scho
2,188 satisfied customers
mazda 3 S 2004 mazda 2.3 s with a consistent knocking noise
2004 mazda 2.3 s with a consistent knocking noise that my mechanic is convinced is from the timing chain area. So we have replaced the timing chain, tensioners, etc. and still have the same loud ticki… read more
Drew
Drew
Super Mazda Tech.
Vocational, Technical or Trade Scho
2,188 satisfied customers
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Meet the Experts:

Drew

Drew

Super Mazda Tech.

2,188 satisfied customers

19 yrs. experience. Mazda Senior Certified Tech, with Ford, Linc. & Merc. experience. ASE L1 Advanced Certified Master Tech.

Chris (aka- Moose)

Chris (aka- Moose)

Technician

55,627 satisfied customers

16 years of experience

mazdamaster577

mazdamaster577

Master Technician

691 satisfied customers

mazda master/shop foreman for 15 years.

George H.

George H.

ASE Certified Technician

459 satisfied customers

15+Years

Ron Z.

Ron Z.

- Mazda Tech -

425 satisfied customers

18+yrs experience. State Inspector and Mazda Diagnostics

Mike Kelly

Mike Kelly

Mazda Mechanic

273 satisfied customers

17 years experience as an auto mechanic, foreign and domestic. 5 years running my own repair business.

Mazda Ed

Mazda Ed

ASE Certified Technician

264 satisfied customers

ASE Certified Mazda Master Technician

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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