Questions tagged [drivetrain]
The group of components in a motor vehicle that generate power and deliver it to the road surface. These components can include the engine, transmission or transaxle, transfer case (if so equipped), drive line, and axles.
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Can I drive my AWD vehicle as FWD by removing the propshaft?
I have of heard people removing their propshaft on their AWD vehicle to narrow down a diagnosis with their drive train. Is generally
safe to do or could there be consequences to removing this part?
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Do propshafts with CV joints have any rotational orientation to them with respect to the parts they bolt into at each end?
I'm facing replacing my propshaft on this 2005 Volvo XC90 AWD and I'm looking at the 6 bolts that connect the CV joint to this flange on the rear haldex as well as the front bevel-gear / angle gear. ...
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Automatic Car cannot drive forward, but will move in Reverse
Hey so my car was serviced last Wednesday, got an oil change and replaced the brake rotors and pads. And it was driving fine all of Thursday and then for whatever reason late Friday the car would ...
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Making Jeep Gladiator Sport S (NOT Max Tow) Off-Road Ready
So I'm buying a new Jeep Sport S and want to make it off-road ready. I am going to be replacing the tires/wheels and adding a lift. My question is:
Can a stock Sport S handle 33s... or even 35s? I ...
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When put into drive, the car makes a click/crunch noise after a second
2006 Honda Accord with almost 230K miles. When put into drive, the car makes a click about a second after the gear is put into drive. What could this be? Car drives and shift with no problem.
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02 ranger 3.0 4x4 auto trans 104,000 miles Possible drivetrain noise? Whining when coasting to a stop
Just did a lot of work to this truck, have had it 6 months now an motor is great and trans shifts as it should. Have done 2 oil changes on it every 3,000 miles 5w30 high mileage conventional, replaced ...
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What is this bolt/set of holes?
This skid plate(?) is underneath the transfer case (I think - about halfway back from the transmission, between the transmission and the differential) my 1997 Chevy Suburban K1500
Due to my brake ...
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Why do Automatic planetary transmissions have gear teeth cut on the outside of the ring gear?
it makes sense that there are teeth cut inside the ring gear since planet gears rotate around inside of the ring. However there are also gear teeth cut on the outside of the ring gear, i think they ...
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Theoretical AWD question
Don't know if this is a right place to ask this.
So I know there's a difference between 4WD and AWD, and the difference being AWD has equal power distribution between front and rear axles right while ...
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Front-to-back vs left-to-right driveshaft
What is the reason, that all 4x4 and AWD vehicles use front-to-back driveshafts with lateral semi-axes, vs lateral driveshafts with front-to-back semi-axes? How would the later affect vehicle dynamics ...
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Vibrations when accelerating between 80 - 110 kph
2010 Fiat Ducato x250 2.3L Turbo Diesel
When accelerating between 80-110 kph the vehicle shakes. The vehicle is completely fine below 80 kph and above 110 kph. The strength of the shaking is directly ...
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1993 Jeep Grand Cherokee wheel hops/bucks only after vehicle gets warmed up
I have a 1993 Jeep Grand Cherokee, with all-time 4 wheel drive (4 high/4 low).
When the vehicle is cold, I can make tight turns in a parking lot with ease. However, if I've driven the vehicle for 10 ...
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Nissan Rogue 2010 AWD clicking noise when turning
Have a high-mileage 2010 Rogue AWD that makes a clicking noise from the rear when rounding corners.
I suspect it was because it was improperly towed.
My web searches have led me to believe that it's ...
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2009 Subaru Legacy Poor acceleration with no DTC codes
2009 Subaru Legacy
EJ253 Non Turbo
4EAT transmission
The car seems to be in LimpHomeMode although I don't know how to verify that. Very poor acceleration with some hesitation when in drive. The ...
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Rattling noise while accelerating in 2011 FORD FUSION AWD 3.0L
My 2011 awd fusion is make a rattling noise at the front drivers side of the car. The noise is only present while accelerating. There is no noise when the car is rolling without acceleration at ...
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How can a DCT be so fast and smooth during hard acceleration and high rpm shifting?
I know how a DCT works and what parts it has, but I've always wondered how it manages to shift very fast and still be smooth, while having little torque drop during shifts.In a manual transmission, ...
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is a seriously corroded driveshaft and u joints on an F150 safe? dealer who sold me car says no
I think a corroded drive train this corroded is a safety issue, bought used f150 from dealer get out on highway and was scared to hell whole truck shook so bad -drove truck back later same day saying ...
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Is RWD a good idea on a 2.5 tonne car? [closed]
Hypothetically speaking, if you were to produce a 2.5 tonne car what drive train configuration would suit it best? My initial thought would be a 4x4 set up as this is most common in heavier vehicles.
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Mismatched brand tires on back, bad on high speeds?
Wouldn't post a new question if the internet wasn't full of "Yep, perfectly fine" one one side and "Nope, you're going to hit the closest tree" on the other side.
Driving a FWD Volvo S40 2.4i. ...
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Odd squeak from axle/bearing area at any speed
My FWD 2001 Ford Focus has an odd rubbery squeak sound combined with a more thumpy sound from inside the vehicle at any speed. There is no sound when accelerating, and a slight sound (much less) when ...
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Vibration after the car has run for a while
First question here; go easy on me.
So I have an e30 BMW(1989), the car runs fine however when I have driven for a few minutes a vibration occurs when I travel around 60(kph)
This does not happen ...
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Cracking noise when launching vehicle or at lower gear
I have a Nissan X-Trail 2002 manual with almost 300k on it. I know it's old, but it was the only secondhand manual SUV I could find.
The last service was about than 3 months ago. I drove it into a ...
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Thumping and scraping sounds
I recently bought a 1995 Toyota Corolla that has been in a wreck.
When accelerating, there's almost always a thumping sound that increases with tire speed. It gets louder if I turn left and goes away ...
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What is a through-drive axle? and what is an interaxle differential?
While reading the 'Mercedes Truck Front Axle Systems'
(https://www.mercedes-benz.com/en/mercedes-benz/vehicles/aggregates/powertrain-trucks-front-axle-systems/)
I was confused as to what a 'through-...
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Powertrain vs Drivetrain vs Driveline
I did a bit of research and I'm really confused.
Need a clear distinction between all three.
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Thumping/vibration linked with wheel rotation
I have a 1999 Mercedes C class with a wheel vibration. Its a pulsing kind of like tapping your finger on a table or driving over grooved roads. Its linked to vehicle speed and is apparent from really ...
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Vibration during Deceleration
I have a 2001 Mitsubishi Lancer CE, I recently replaced the clutch as the release bearing was no longer servicable.
After replacing the clutch I noticed during deceleration a vibration like noise. At ...
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What could cause a clicking/popping noise when driving straight? (video)
Car is automatic front wheel drive Toyota.
The sound comes on light-medium acceleration from speeds 15-35mph even when driving straight and it sounds just like a bad CV joint. In the video I have ...
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Tire and drive shaft revolutions near equal?
Obviously if you have a front wheel drive it is the same.
When a rear wheel drive car makes 1 tire revolution while driving how many revolutions does your drive shaft make?
Are driveshafts mistaken ...
user22295
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Why does my 1997 Suburban sometimes not get up and go?
I've got at 1997 Chevy Suburban. Recently we had the fuel pump changed, because we hit a bump and it gave up the ghost.
In the last month there have been at least three times when we we've stopped, ...
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Possible causes of rotational axle play and rattling
Car is a 2007 Saturn Aura AT
A while ago I ran into a large rock with my passenger front wheel, insurance paid for the apparent damage but about a week later I started feeling rattling from that ...
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Can driving in drive 2 damage my car
Not going to over inform here, suffice it to say that my 1997 Jeep Wrangler engine begins to choke and cut off at stops. Many ideas and repairs tried. I recently found that driving in (Automatic) ...
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PTFE or standard high temp grease for a slip joint?
My 1997 Ford F-150, 4.6L with automatic, is suffering from the slip join "clunk" at stops/starts.
My research has found this is a common problem when the output shaft splines get dried out. It ...
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Metallic thud sound
Recently after having my car sit for 3 months I noticed a metallic thud sound wich can be heard in any of the two following scenarios:
-When braking only when im reverse (it only happens once for ...
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clunking noise over bumps from rear right 1997 ford ranger 3.0 liter 5 speed manual transmission
I've noticed a clunking sound coming from rear right side of my truck when going over bumps. It's a 1997 Ford Ranger 3.0 liter manual 5 speed, has over 150,000 miles. Haven't found loose suspension, ...
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Different tread depths on 2wd?
I am sorry if this question has been asked before I tried searching. My 05 civic which is a fwd has one tire on the back with very low tread unlike the other tires mounted on the car, is this going to ...
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Where to learn about manual transmissions?
I own a 2007 ford fiesta ST150, which is a 2L FWD, so obviously it has a transaxle.
I'm generally pretty comfortable working with my car, I'm only an amateur, a shade tree mechanic but I'll happily ...
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Vibration following replacement of universal joints on drive shaft of rear wheel drive vehicle
I recently replaced the 2 universal joints on the drive shaft of my rear wheel drive Lancer station wagon (instead of the entire drive shaft). small welding tacks were done to keep them in place. ...
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clutch makes noise and small vibration when disengaged
I recently bought a 1998 Kia Sportage. The previous owners said that the clutch was recently replaced, but I noticed after driving it for a while that when the engine speed is pretty high (around 4000-...
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Using 4wd on snow/dry pavement bad for 2012 Pathfinder?
Just bought a 2012 Nissan Pathfinder LE. I live in Colorado where the weather can be pretty random and very location specific. This creates areas of the town where snow may be covered in some areas ...
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2003 Ford Ranger Drivetrain Noise while Coasting
Me: 2003 Ford Ranger XLT, Automatic Transmission, 4.0L V6, 4x4, 180k miles. I do my own vehicle maintenance (brakes / suspension / ...), but am not a mechanic by any stretch.
The Issue
When ...
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rapid driveline clanging on ice
('07 Cobalt; 50K miles; NO ABS, no traction control, no limited slip)
First winter storm for this car. When accelerating or braking on poorly-plowed road (so, slush/ice/some pavement), I got a ...
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Subaru clunking and whining - differential?
I have a 2002 Subaru Outback with a 5 speed manual and 160k miles on it. The previous owner claims to have replaced the front differential, because it was locked up.
Now, I have been hearing whining ...
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2009 Ford Focus SE, Vibration returning after replacing Engine Mount
Like the title says, my car is a '09 Ford Focus SE, with an automatic transmission.
Last year it started developing a vibration. Between two jobs and school, I just didn't have time to get it looked ...
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Grinding noise while driving
On my Opel/Holden Astra H (150KKm, front wheel drive, m32 6-speed manual transmission) I hear a slight grinding noise from the right-front, starting at about 40 km/h. The noise is synchronous to the ...
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Oil leak at rear drive shaft... 86 jeep comanche
There is a new leak at the rear driveshaft. What could this be and how do i fix? Mechanics cost too much and are unreliable (past experience) the repair manual said if it leaks in the rear the problem ...
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Pranged bearing bracket on main driveshaft: can I drive the car?
My son took my wife's all-wheel CR-V down a rough road and bent one of the suspension brackets for the central drive shaft. The car was still movable, but made grinding noises as he drove the last few ...
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Throw out bearing, input shaft bearing, or drive shaft support bearing?
I have a '94 BMW 318is manual transmission. I hear a grinding/whirring noise while driving that sounds to me like a bad bearing. I typically hear it when
I engage the clutch. The sounds is more ...
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Does 2WD mode save me gas over AWD(auto) mode?
My 2015 Nissan Pathfinder has a switch for 2WD, AWD (auto), and 4WD Lock.
Do I save gas by keeping it in 2WD? Or it doesn't matter because it's still the same drivetrain and it simply doesn't apply ...
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2003 Dodge Durango - Can I take the front drive shaft off and drive the vehicle?
I most likely have a messed up front differential on my 4x4.
I was wondering if I can just take my drive shaft off and run it on RWD only?
Can I just remove the universal joint pin and retain the ...
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