Tredia L4-1795cc 1.8L SOHC Turbo (1984)
6.
On 1984-85 models, proceed as follows:
a. Remove yoke plug locknut, then the yoke plug using tool MB990607 or equivalent.
b. Remove support yoke, yoke spring and rubber spring from gearbox.
7.
On 1986-87 models, proceed as follows:
a. Loosen pinion housing assembly locknut using tool MB991013 or equivalent, then separate pinion housing assembly and cylinder assembly.
When separating the two assemblies, use caution grooved pin in pinion housing assembly does not fall.
b. Uncrimp cylinder assembly using a suitable tool, then remove end housing assembly from cylinder assembly using tool MB991145 or
equivalent. When removing end housing assembly, use caution not to damage O-ring on end housing assembly.
c. Remove oil seal from end housing assembly and cylinder housing assembly using a suitable screwdriver. When removing oil seal, use
caution not to damage end housing or cylinder housing.
d. Remove valve housing assembly from pinion housing assembly.
e. Remove oil seal and bearing from valve housing assembly using suitable tool.
f.
Loosen pinion housing assembly locknut, then remove rack support cover using tool MB990607-01 or equivalent.
g. Remove spring, cushion rubber, and rack support.
h. Remove pinion housing assembly end plug, then the pinion self locking nut, pinion and pinion plug from pinion housing assembly.
i.
Remove pinion housing assembly lower bearing using a suitable tool.
j.
Remove pinion housing assembly oil seal together with upper bearing.
Inspection
Check all steering gear components and repair or replace as necessary.
1.
Inspect support yoke or rack for damage or uneven wear.
2.
Inspect yoke or rack spring for deterioration.
3.
Inspect rubber spring for cracking or deterioration. Also check that yoke spring free length is .55 inch.
4.
Check mounting rubber for wear or damage.
5.
Inspect dust cover for cracking or other damage.
6.
On 1986-87 models, check bearing for seizure, abnormal noise and excessive play. Replace as required.
7.
On 1986-87 models, inspect all oil seal contact surfaces for damage. Repair as required.
Manual Steering Removal
1.
Raise and support front of vehicle, then remove wheels.
2.
Disconnect joint assembly from steering gear.
3.
Using tool No. MB990635 or equivalent, disconnect tie rod from knuckle.
4.
Remove sub-member from No. 2 crossmember.
5.
Remove steering gear from No. 2 crossmember.
6.
Pull steering gear out from right side of vehicle.
7.
Reverse procedure to install.
Power Steering Removal
1.
Raise and support front of vehicle.
2.
Using tool MB990635 or equivalent, disconnect tie rod from knuckle.
3.
Drain power steering fluid.
4.
Disconnect pressure and return hoses at steering gear.
5.
Disconnect joint assembly from steering gear.
6.
Disconnect fuel hose from bottom of fuel filter and plug hose.
7.
Remove fuel line installation clips as necessary to free fuel line.
8.
Remove rear roll stopper stay on engine.
9.
Remove sub-member from No. 2 crossmember.
10.
Remove steering gear from No. 2 crossmember.
11.
Pull steering gear out from right.
12.
Reverse procedure to install.
Steering Gear Service
