Question about 1993 Mitsubishi Mirage

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Engine is chacking when we shaft it to drive or reverse

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If engine is idling at the right speed about 700 rpm in park, I would have the motor mounts check out.

Posted on Jul 08, 2010

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Posted on Jan 02, 2017

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1 Answer

50 horse 4 stwont go into reverse gear due to shaft problems


the drive shaft just drives a pinion gear in the prop box that drives to gears that spin in opposite directions all the time
by selecting forward with the selector rod , a dog gear is moved forward to mesh with one gear that is turning or moves the other way to engage the other gear that is turning
that is the forward or reverse action for the prop
if you have forward but no reverse the it is not a drive shaft problem but a selector rod adjustment that is not moving the dog far enough to engage the running gear

Jul 08, 2017 | Cars & Trucks

1 Answer

Clunking sound


The drive shaft is engaged when in drive or reverse, U joints connect the drive shaft from the tranny to the diff they wear out an gain play in time. The shaft is still moving even if the car is not when in drive or reverse from torque from the engine. OR you have bad motor mounts and the motor itself is moving in the engine bay from its own torque and not being mounted properly.

Jan 11, 2016 | 2001 Hyundai Santa Fe

1 Answer

Engine stalls while in drive and reverse runs rough in park or neutral


Begin with the basics......Start with a scan/check parameters

Jul 01, 2014 | 2002 Ford Excursion

1 Answer

Auto transmission clunking noise when putting into reverse & foward or taking out


Check the play in the diff,check for noise when driving check rev,s arn t to high at idle.

Jul 16, 2017 | 2001 Dodge Durango

1 Answer

Auto transmission clunking noise when putting into reverse & foward or taking out


the noise is the free play in the side gears of the diff and is normal in a diff that has some miles
there is a problem if the pinion moves forward or back when turning the shaft
check for "U" joints as if they are failing you will get the noise when changing direction
other areas to check are suspension rubbers and transmission rubber mounts

Jul 16, 2017 | 2001 Dodge Durango

1 Answer

I have a 2000 Expedition 4.6L Triton. I've had truck about 7 years and love it. I have had all the transmission issues this truck can have...(I thought) until now this: SYMPTOM Transmission drives well in...


4R100 or 4R70W?

Geartrain
Power is transmitted from the torque converter to the geartrain components through the input shaft and forward clutch cylinder.
  • By holding or driving certain members of the gearset, four forward ratios and one reverse ratio are obtained and transmitted to the output shaft. The ratios are as follows:


GEAR RATIO 1ST 2.71 to 1 2ND 1.54 to 1 3RD 1.00 to 1 4TH 0.71 to 1 REVERSE 2.18 to 1
Input Shaft
The input shaft is supported by two bushings in the stator support. End positioning of the input shaft is controlled by the splines in the converter turbine and the overdrive planet assembly.
Output Shaft
The output shaft is supported by two bushings in the case and by the slip-yoke and bushing in the extension housing. End positioning is controlled by the parking pawl gear and snap ring or shoulder and by the reverse ring gear hub and snap ring.
Overdrive System
The overdrive planetary system consists of the overdrive planet assembly, overdrive sun gear, overdrive ring gear, coast clutch cylinder, overdrive one-way clutch assembly and the center shaft, as shown in the following illustration. The overdrive planet assembly is splined to the input shaft. The overdrive sun gear is centered by a bushing on the input shaft and held in place laterally by needle bearings on the reactor support and the overdrive planet assembly. The overdrive sun gear is splined to the coast clutch cylinder, which in turn is splined to the overdrive one-way clutch inner race.
The outer race of the one-way clutch is splined to the overdrive ring gear, which is splined to the center shaft. The center shaft is centered by the forward planetary assembly and is laterally held by needle bearings on the center support and the overdrive planet assembly. The center shaft is splined into the forward clutch cylinder.
Two friction clutches are assembled in the overdrive planet assembly. The coast clutch is splined between the coast clutch cylinder and the overdrive ring gear. The coast clutch is activated to perform engine braking in MANUAL 1, MANUAL 2 and third gear with the transmission control switch engaged.
The overdrive clutch is splined between the case and the coast clutch cylinder. The overdrive clutch holds the coast clutch cylinder and, in turn, the overdrive sun gear, to permit the planet assembly to overdrive the ring gear.
--------------------------------------------------------------------------------------------
Forward Drive System
The forward drive system consists of the forward clutch cylinder, intermediate brake drum, intermediate one-way clutch, input shell, forward ring gear, forward ring gear hub, forward/reverse sun gear and the forward planetary carrier and forward planetary gears.
The forward clutch cylinder is splined on the center shaft. The forward ring gear is piloted on the forward ring gear hub. Thrust bearings on the forward planet assembly and forward clutch cylinder hold the forward ring gear hub in place.
The intermediate brake drum is radially supported by bushings on the center support and is laterally controlled by thrust washers on the forward clutch cylinder and center support. The intermediate brake drum has the inner race of the intermediate one-way clutch press-fitted on its pilot. The intermediate one-way clutch's outer race is splined to the intermediate friction clutch, which is splined to the case. The intermediate brake drum has lugs that are slotted into the input shell to form a mechanical connection. The input shell is splined into the forward/reverse sun gear. The forward/reverse sun gear is common to two planetary gearsets. The forward planet is splined to the output shaft and is laterally positioned by needle bearings on the sun gear and on the forward clutch cylinder, as shown in the following illustration.
Two friction clutch assemblies, the direct clutch and the forward clutch, are shown with the forward planetary assembly. The direct clutch assembly splines the forward clutch cylinder to the intermediate brake drum. The forward clutch assembly splines the forward clutch cylinder to the forward ring gear. The forward clutch is activated during all forward gears. While in third or fourth gear, both the direct and forward clutches are applied to hold the forward planetary assembly and enable it to act as a solid shaft.
In second gear, the intermediate clutch assembly holds the forward/reverse sun gears. It is applied, along with the intermediate one-way clutch, to hold the intermediate brake drum, input shell and forward/reverse sun gear. In higher gears, the one-way clutch overruns.
----------------------------------
Low and Reverse Drive System
The reverse planetary assembly consists of the reverse planetary carrier, reverse planet gears, the reverse ring gear, the reverse ring gear hub, the reverse clutch hub and the low-reverse one-way clutch assembly.
The reverse ring gear hub is splined to the output shaft and to the reverse ring gear. The reverse ring gear hub is laterally held by a needle bearing on the inner race of the low-reverse one-way clutch and a snap ring on the output shaft. The reverse planet assembly is splined to the low-reverse clutch hub. The low-reverse clutch hub is connected by the reverse clutch to the case. The inner race of the one-way clutch is bolted to the case.
The reverse clutch assembly is activated in REVERSE gear and in MANUAL 1. The reverse clutch bypasses the reverse one-way clutch during coast and MANUAL 1. The reverse clutch holds the reverse planet assembly in REVERSE gear to enable the sun gear to drive the reverse ring gear in the opposite direction.
-------------
Apply Components
The following information describes the operation of the three 4R100 one-way clutches.
One-Way Clutch—Overdrive
The overdrive one-way clutch, shown in the following illustration, transmits engine torque from the overdrive sun gear to the overdrive ring gear in first, second and third gear range. The overdrive one-way clutch transmits power when the sprags are engaged between the inner and outer races. The inner race is splined to the coast clutch cylinder, which in turn is splined to the overdrive sun gear. The outer race is splined to the overdrive ring gear.
The overdrive one-way clutch engages whenever the overdrive planetary system attempts to drive the overdrive sun gear clockwise when the overdrive ring gear has a counterclockwise torque from the vehicle. When torqued counterclockwise, the overdrive one-way clutch engages and acts as a wedge to lock the sun gear and the ring gear together. During coast, the overdrive one-way clutch enables the ring gear to overrun or spin at a faster rate than the sun gear.
The overdrive one-way clutch overruns when in overdrive (fourth gear). In overdrive, the coast clutch cylinder is held by the overdrive one-way clutch, which in turn holds the overdrive sun gear. This causes the overdrive planet assembly to walk around the sun gear and overdrive the overdrive ring gear. The inner race of the overdrive one-way clutch is thus held stationary while the outer race is allowed to overrun clockwise.
--------------------------------------------

Nov 10, 2009 | 2000 Ford Expedition

1 Answer

Clunk from park to drive


Investigate the propellor shaft 'rubber donut'. It bolts onto your gearbox and the prop shaft connects to this.(uk terminology, sorry)

Apr 02, 2009 | 2004 Lexus ES 330

1 Answer

Between 20 and 40 MPH front end of vehicle starts to wobble/shake. Thanx


if you can feel wobble through steer wheel ? suggest you have steering gear/joints etc checked ? also chack tyres for pressure/ wear? abnormal tread pattern would suggest tracking or steering fault ? if all above is ok ? than do a visual and physical check on engine mountins and drive shafts if you could come back with any more info history prior to this fault occuring? or any things you find on above checks ? please come back with update or if you req advice hope this is of some help

Nov 06, 2008 | Chrysler Neon Cars & Trucks

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