front rotors
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Registered User
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front rotors
hello
I have a 97, 12v, 4x4. the front rotors need replacing. I need help. the haynes manual sucks. does anybody know of a good site or link to find this info?
Also the rear axcel seal leaks, replaced the seals once already but still leaking any thoughts ?
I have a 97, 12v, 4x4. the front rotors need replacing. I need help. the haynes manual sucks. does anybody know of a good site or link to find this info?
Also the rear axcel seal leaks, replaced the seals once already but still leaking any thoughts ?
Cummins Guru
Joined: Feb 2008
Posts: 4,191
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From: Sunny Southern California Land of Fruits and Nuts
Hope this helps you out.
DISC BRAKE ROTOR (WITH UNIT BEARINGS)
REMOVAL
1.Raise vehicle.
2.Remove wheel and tire assembly.
3.Remove caliper from rotor.
4.On 1500 model vehicles remove rotor.
5.On models with removable adapter hub, remove hub from rotor.
6.Remove cotter pin from rotor hub nut and remove nut Hub Nut Cotter Pin
7.Remove bolts that secure rotor and hub to steering knuckle from inboard (back) side of steering knuckle Rotor And Hub Attaching Bolts
8.Remove rotor and hub assembly Rotor Hub And Unit Wheel Bearing Assembly Replace bearing assembly if damaged.
9.Remove hub spacer from steering knuckle Hub Spacer Note spacer position for installation reference.
INSTALLATION
1.Apply liberal quantity of anti-seize compound to splines of front drive shaft Hub Spacer Positioning
2.Replace grease seal in steering knuckle if damaged.
3.Insert two rearmost, top and bottom rotor hub bolts in steering knuckle. Insert bolts through back side of knuckle so they extend out front face as shown.
4.Position hub spacer on bolts just installed in knuckle. Be sure flat on spacer is positioned toward rear. Use chassis grease to hold spacer in place on knuckle.
5.Apply 1-2 drops of Mopar Lock N' Seal, or Loctite 242 to threads of rotor and hub retaining bolts.
6.Align rotor hub with drive shaft. Then start shaft into rotor hub splines.
7.Align bolt holes in unit bearing flange with bolts previously installed in knuckle. Then thread bolts into bearing flange far enough to hold assembly in place.
8.Install remaining rotor retaining bolts. Tighten all bolts securely
9.Install washer and hub nut. Tighten nut securely.
10.Install new cotter pin in hub nut. Tighten nut as needed to align cotter pin hole in shaft with opening in nut.
11.Install disc brake caliper.
12.Install wheel and tire assemblies and lower vehicle.
13.Apply brakes several times to reseat brake shoes and caliper piston. Do not move vehicle until firm brake pedal is obtained
DISC BRAKE ROTOR (WITH UNIT BEARINGS)
REMOVAL
1.Raise vehicle.
2.Remove wheel and tire assembly.
3.Remove caliper from rotor.
4.On 1500 model vehicles remove rotor.
5.On models with removable adapter hub, remove hub from rotor.
6.Remove cotter pin from rotor hub nut and remove nut Hub Nut Cotter Pin
7.Remove bolts that secure rotor and hub to steering knuckle from inboard (back) side of steering knuckle Rotor And Hub Attaching Bolts
8.Remove rotor and hub assembly Rotor Hub And Unit Wheel Bearing Assembly Replace bearing assembly if damaged.
9.Remove hub spacer from steering knuckle Hub Spacer Note spacer position for installation reference.
INSTALLATION
1.Apply liberal quantity of anti-seize compound to splines of front drive shaft Hub Spacer Positioning
2.Replace grease seal in steering knuckle if damaged.
3.Insert two rearmost, top and bottom rotor hub bolts in steering knuckle. Insert bolts through back side of knuckle so they extend out front face as shown.
4.Position hub spacer on bolts just installed in knuckle. Be sure flat on spacer is positioned toward rear. Use chassis grease to hold spacer in place on knuckle.
5.Apply 1-2 drops of Mopar Lock N' Seal, or Loctite 242 to threads of rotor and hub retaining bolts.
6.Align rotor hub with drive shaft. Then start shaft into rotor hub splines.
7.Align bolt holes in unit bearing flange with bolts previously installed in knuckle. Then thread bolts into bearing flange far enough to hold assembly in place.
8.Install remaining rotor retaining bolts. Tighten all bolts securely
9.Install washer and hub nut. Tighten nut securely.
10.Install new cotter pin in hub nut. Tighten nut as needed to align cotter pin hole in shaft with opening in nut.
11.Install disc brake caliper.
12.Install wheel and tire assemblies and lower vehicle.
13.Apply brakes several times to reseat brake shoes and caliper piston. Do not move vehicle until firm brake pedal is obtained
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Joined: Dec 2003
Posts: 14,672
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From: Montana
Click> https://www.dieseltruckresource.com/...6&postcount=10
On the rears it's a good idea to smear RTV on the outer diameter of the new seal before pounding it in.
If there is a groove worn in the axle shaft where the seal rides it will always leak.
Just a groove small enough to catch your fingernail on while dragging across the shaft will leak.
Couple things you can do short of replacing the axle is to install the seal a little deeper or shallower so the sealing surface misses the groove.
Or you may need to buy a Speedi-Sleeve with an oversized seal.
On the rears it's a good idea to smear RTV on the outer diameter of the new seal before pounding it in.
If there is a groove worn in the axle shaft where the seal rides it will always leak.
Just a groove small enough to catch your fingernail on while dragging across the shaft will leak.
Couple things you can do short of replacing the axle is to install the seal a little deeper or shallower so the sealing surface misses the groove.
Or you may need to buy a Speedi-Sleeve with an oversized seal.
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