Engine & Drivetrain [Archive]

2006 Front End Noisy and Failing. What's Up? (5 replies)
Engine swap troubles (3 replies)
2008 3 GT - Replacing all belts (3 replies)
Please help! Oil leak problem (0 replies)
Fuel pump problem (1 replies)
Front stub axle hot. Worn out? (3 replies)
How much should engine rotate? (5 replies)
Engine light on / O2 sensor again? (2 replies)
Radiator coolant [powerflush] flush—harmful? (6 replies)
Engine Swapping 2011 Mazda 3 Sport GS with MZR-L3-VDT (1 replies)
Difficulty in spark removal: tips? (0 replies)
Went for an oil change, 5w20 was put in instead of 0w20 (3 replies)
Need some Manual 5spd rebuild advice (1 replies)
ENGINE FLUSH (1 replies)
Transmission casing bearing. Am I screwed? (0 replies)
Amazon sent wrong Continental A/C belt?? (3 replies)
What adaptors for A/C recharge kit? (4 replies)
2007 speed 3 vvt solenoid seal (10 replies)
Bad Brand New CV Axles?? (5 replies)
Does Jiffy Lube carry a Mazda atf M-V fluid? (1 replies)
Brake booster vac line (0 replies)
OOPS, pulled CV joint apart (1 replies)
2015 Mazda 3 gx , 2.0l coolant flush and manual trans fluid replacement (1 replies)
Slave cylinder fail fail fail !!! (11 replies)
Passenger Motor Mount - Aftermarket options? or OEM? (3 replies)
200k 2014 Mazda 3 GT (0 replies)
Belt Tensioner replacement (1 replies)
oil catch can on 2.5L (0 replies)
about oil change interval (6 replies)
"Won't Start in Park" Remedy. (0 replies)
Change the location of the Gearbox computer mazda 3 2 AT (0 replies)
Mazda 3 2.0 Radiator Replacement Time (6 replies)
Time to change gearbox oil mazda 3 2.0 (1 replies)
Problem with oil 5w50 sn (13 replies)
Spark plugs for 2.0L Skyactiv DIY or dealer (7 replies)
Mazda ATF FZ fluid (0 replies)
Mazda 3 MAF sensor screw stripped the plastic in Airbox cover (3 replies)
CEL came on, used code reader, got 2 codes (0 replies)
Blue Chem Engine Cleaner for Direct Injection (3 replies)
Coolant Question - 2013 GT 2.5 (1 replies)
Should I replace the slave cylinder when I replace my clutch? (8 replies)
2006 MAZDA 3 SEDAN - Intermittent No Crank/Start Issue (3 replies)
Best place to buy a clutch? (3 replies)
P0841 code (1 replies)
Trouble starting in Park (4 replies)
Engine swap no crank no start (6 replies)
Small coolant leak (2 replies)
2011 manual transmission leak-where? (1 replies)
AT light comes and goes. 2011 Mazda3 (3 replies)
Hey High Mileage Mazda's ...When do you change your PCV (0 replies)
Burning Oil fix. (15 replies)
RPM Lag (6 replies)
Walnut Blasting for Skyactiv Engine (4 replies)
Are Mazda3 and Mazda5 TCM compatible? (2 replies)
Odd smell coming thru vents (1 replies)
Transmission Filter Change??? (2 replies)
How to replace serpentine belt tensioner? (4 replies)
2010 Mazda 3 GT 2.5L Serpentine Belt Auto Tensioner: Stuck or shot? (1 replies)
ECM Replacement (4 replies)
P0301 Cylinder 1 misfire Detected. (5 replies)
Transmission Needs Replacement Due to "Unserviceable" Leak? (3 replies)
Oil Leaks bad enough to worry about? (5 replies)
First Post Help Plz! (8 replies)
HEEEEEEELLLLLLPPPPPPPPPPPPPPP No Starter Function! (14 replies)
2015 3 GT Heater Core (16 replies)
block heater. (2 replies)
2015 mazda3 Transmission service interval (3 replies)
Transmission, brake fluid, power steering fluid flush for 2009 Mazda 3 auto (4 replies)
Timing Cover?? (12 replies)
Valve cover gasket (2 replies)
So I just blew my motor. 08 m3 GS 2.0 (8 replies)
Car doesn't always start in Park (4 replies)
Lugging sound when rev matching (0 replies)
2006 mazda 3 2.3lt swapped to a 2.0 (3 replies)
Mazda 3 2.3 motor problem (2 replies)
Clicking Clutch Pedal , Clicking Noise Clutch (2012 Mazda 3 GS-SKY) (0 replies)
anyone know the torque specs for driver side mount (4 replies)
Jerk When Letting Off or Getting on Throttle (13 replies)
Engine Swap: 2015 3rd Gen Mazda 3 GS (2.0L) >> 2017 Mazda CX-9 2.5L Turbo (3 replies)
Possible tuning woes (2 replies)
2.3L swapped out of an 08 auto into my 06 manual. Mazda 3 will not start! (2 replies)
Where to buy performance parts? (5 replies)
AC clutch not engaging when bypassing relay (5 replies)
Can I use 5W-30 (2 replies)
2.5 reliability (2010 and +) (10 replies)
First oil change with my car. (12 replies)
Hard starting (9 replies)
O2 sensor (5 replies)
p0037 HELP!!!!!!!! (1 replies)
Mazda Skyactiv ATF Change mileage (3 replies)
Intake knocking (3 replies)
Manual Transmission Designations (Gen 2) (0 replies)
Engine "vibe" noise (1 replies)
Mass Air Flow Sensor Failure (2 replies)
Oil light on after stalling (3 replies)
engine sound and cel codes (10 replies)
Alt Belt & Thermostat replacement - OEM or aftermarket? (5 replies)
Redline mt90 in cold weather (10 replies)
2015 oil on the alternator (11 replies)
AT Transmission light/TC light/P0470 code (2 replies)
Coolant Top-up? (13 replies)
2010 auto trans sometimes won't shift up from third (2 replies)
Speed3 p2187 and High Afr While Driving (13 replies)
2011 mazda 3 rough idle (11 replies)
2007 Mazda 3 decelerating much faster while coasting, like brakes are being applied (9 replies)
2014 Mazda 3 2.0 6MT gear whine and odd idle (2 replies)
2010 Mazda3 ATF change - When? (8 replies)
Oil on the thread of spark plug. (2 replies)
Engine/Tranny mounts M3 2010 (0 replies)
Power Steering Fluid (1 replies)
Oil filter wrench (3 replies)
High oil pressure..? (5 replies)
Trouble Picking the Right Clutch (3 replies)
Anyone have a TCM lying around for an 08 mazda 3? (14 replies)
What year parts fit my 2005 mazda (2 replies)
Is 0W-20 oil used by dealers for the $60 oil change full synthetic or blended? (4 replies)
2.3L flywheel options (3 replies)
Which Spark plugs for my 2.5 Mz3? (12 replies)
PCV Replacement (3 replies)
Where purchase Redline MTL in GTA (5 replies)
2011 6spd "squeak" (1 replies)
2006 MZ3 2.3 Shifting issue (0 replies)
TransmissionProblen (1 replies)
creaking noise from the front (7 replies)
Fuel economy, RPM and neutral with a 2016 AT (4 replies)
2016 Mazda3 with AT in manual mode (1 replies)
intermediate shaft bearing (3 replies)
Where to buy a CAI for 15' 2.0? (1 replies)
Overfilled oil by 200 ml. Big deal? (2 replies)
Converting Engine for Marine Use (6 replies)
Transmission Fluid Change Questions (4 replies)
Clutch and Flywheel options (10 replies)
CEL Code : P0131 , P0134, P0138 , P0030, P2251 (19 replies)
2012 Skyactiv Manual Transmission Fluid Capacity (6 replies)
Block Heater Location (4 replies)
ms3 exhaust on gen2 hb (14 replies)
2.5L battery box replacement (1 replies)
car goes lean mid RPM range only (0 replies)
Transmission Fluid - flush necessary? (2 replies)
Had a weird issue this morning (0 replies)
Lots of Carbon in throttle body (4 replies)
Please..need quick advice.. Hairline crack found.. (3 replies)
New to Aftermarket (6 replies)
Glasspack size? (8 replies)
Spark Plugs (6 replies)
How to change Fuel Filter on 2012 (5 replies)
TERRA CLEAN FUEL INJECTOR FLUSH (2 replies)
Passenger Motor Mount Insert (4 replies)
Vvt break in period ? (1 replies)
AT Transmission fluid change on the SKYACTIV? (13 replies)
Mazda 6 exhaust manifold in a Mazda 3 (5 replies)
2.5L Weird noise. Valve adjustment needed? (2 replies)
PCV Valve for 2.5L (4 replies)
Speed3 Engine mount. (2 replies)
2011 Mazda 3 GS Spark Plug (10 replies)
07' GT Front cover leaking (2 replies)
Spark Plugs - 2012 3 Skyactiv (13 replies)
Oil Catch Can Install (5 replies)
Coolant Drain & Refill Questions (11 replies)
Best Transmission Fluid (6 replies)
Shops familiar with ms3's in ontario? (6 replies)
Something bad happened. (2 replies)
Warm start / Hot start problem (16 replies)
Power inconsistencies (3 replies)
Jerky gears, transmission fluid change time? (6 replies)
2015 M3 GT Oil Overfill at Markham Dealeship (6 replies)
Crank, but no compression (8 replies)
Transmission, brake fluid, power steering fluid all need to flush 2 years or 48k? (14 replies)
Manual Transmission Oil Chance (2012 mazda 3 GS-SKY) (9 replies)
CEL 2.0 = FAIL (5 replies)
Mazda 3 Skyactiv m3i (4 replies)
Flywheel Machining/Resurfacing - GTA (0 replies)
Need a clutch (4 replies)
CEL on after replacing battery (0 replies)
Transmission Fluid Color Problems (36 replies)
Emission help 2.5 swap into 06 (3 replies)
AC Delco Oil Filter Brand - Good or Bad? (9 replies)
different type of motor oil: castrol, mobil 1, etc (1 replies)
Trans leak... thoughts? (2 replies)
Need torque specs for upstream oxygen sensor on 2006 2.3L (2 replies)
P0131 and P2251 codes showed up... pls help (3 replies)
2013 Skyactiv Tuning? (11 replies)
CEL + Battery warning light. (6 replies)
About that compression ratio though! (5 replies)
gen2 to gen1 transmission (gen1 weak 3rd gear tranny problems) (16 replies)
Oakville road flooded = Engine hydrolock (38 replies)
No power after Zoom Zoom Boom and replace (7 replies)
reprogram 6 spd auto? (3 replies)
Coolant leak from I don't know what is this part. (6 replies)
2007 Mazda3 2.3L I just swapped in a 2010 2.5L (28 replies)
I am looking for spark plug for 2012 mazda 3 gs sky (29 replies)
Topping up Coolant w/ Distilled Water Temporarily? (5 replies)
Car shaking excessively (6 replies)
Zoom zoom Boom 2007 Speed3 (9 replies)
Need Help With Transmission!!! (3 replies)
2008 Cruise Install (1 replies)
2011 2.5 MT Clutch Engagement Point (10 replies)
Putting a Mazdaspeed3 engine in the mazds3 (27 replies)
Motor Mounts Upgrade (5 replies)
code P0753 (5 replies)
AT Light (4 replies)
Codes p0138 , p0131 and p2251 - help needed please! (2 replies)
3rd Gen 2014+ Manual Transmission Anti-Roll Back feature - How does it work? (12 replies)
A few Q's (4 replies)
Automatic Transmission Shifting Sounds (2 replies)
Spark plugs - Broken electrodes (pics) (13 replies)
2010 mazda 3 2.0l. Car delete (4 replies)
2.3L Valve Cover Gasket - Oil Consumption (13 replies)
2014 Mazda3 2.5 smelly exhaust during cold starts (9 replies)
My Engine Belt is Okay?? (11 replies)
K&N Oil Filters (5 replies)
AEM cold air intake. Water help! (6 replies)
Clutch choices, and is it possible to get clutch disk only? (7 replies)
Street Unit Motor Mount Install Help!! (6 replies)
2010 Mazda 3 2.5L, Manual Half Shaft (1 replies)
Is the TRZ transmission mount the stiffest on the market? (1 replies)
Exedy lightweight flywheel opinions zf501 (5 replies)
Broken axle!! mazdaspeed6 (3 replies)
Incorrect sizing/end of year change? - 2006 CV shaft (7 replies)
SURE motorsports RMM (1 replies)
spark plugs discontinued (3 replies)
second automatic transmission oil change. flush again? (2 replies)
Is this sound normal? Sounds like tucka tucka tucka (video inside) (8 replies)
08Mazdaspeed3 problem (14 replies)
CEL Codes P0131 & P2251? (2 replies)
2007 Mazda 3 2.3L GT Hatchback Manual Trans Oil??? (1 replies)
Coolant? (0 replies)
All solid mounts but still some kind of movement/jerk while driving? (4 replies)
AWR passenger engine mount is a great mount! (0 replies)
Mystery oil leak at top of trans. (5 replies)
P0012 code since 2.5 swap into my 2.0 (5 replies)
2.5 vs 2.3 engine (25 replies)
oil change selection (4 replies)
2.5 with 6spd swap complete in 08 gs sedan but.... (2 replies)
Oxygen sensor - where to get (4 replies)
P0500 Vehicle Speed Sensor code (5 replies)
Urgent! How to remove PCV valve? (8 replies)
Transmission fluid change leads to bigger issues (26 replies)
Spin On Filter Adapter Part Number No longer available? (2 replies)
Question about transmission bolts (1 replies)
Mazda 3 2010 1.6i - Negative fuel trims (5 replies)
2010 3i Battery Replacement - Manual Reference (1 replies)
Transmission trouble (11 replies)
Codes P0126 & P0128 (3 replies)
Throttle body service and replacing spake plugs (19 replies)
Qwik valve (1 replies)
P0421 Error Code - 2010 Mazda3 - Help? (4 replies)
5AT Slam into Gear When Cold? (13 replies)
Lack of Power / Acceleration and Decreasing Fuel Economy (4 replies)
2.3 wont turn over/start.....fresh motor swap. (17 replies)