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HPI Savage XS SS Build – Part 6 – Rear Suspension

HPI Savage XS SS Build
HPI Savage XS SS Build

The Build – Part 6
Step 6 involves assembling the rear suspension. The build is very similar to the Step 3 (the front suspension), but thankfully has a few less steps. Lets get to it.

Build Notes:
You will be building a left and right side of the suspension, however I will only be showing one side of the build.

HPI Savage XS SS Build - Part 84
HPI Savage XS SS Build – Part 84
We start off the build with the CVDs. Put a bit of black grease on the cross joint and push it through the axle as shown. A set screw threads into the cross joint, but only from one direction (or the open end). Make sure you insert the cross joint with the ‘closed end’ first. This will avoid getting any grease on the threads.

HPI Savage XS SS Build - Part 85
HPI Savage XS SS Build – Part 85
Apply a liberal amount of black grease on the axle ‘ball’ and insert it into the axle. Take your cross pin and insert it as shown. Make sure to line up the flat spot with the ‘open end’ of the cross joint.

HPI Savage XS SS Build - Part 86
HPI Savage XS SS Build – Part 86
Apply a dab of threadlock onto the set screw and insert it as shown. Make sure the set screw contacts the flat spot of the cross pin. Build two of these.

HPI Savage XS SS Build - Part 87
HPI Savage XS SS Build – Part 87
Press the two bearings into the rear hub carrier.

HPI Savage XS SS Build - Part 88
HPI Savage XS SS Build – Part 88
Take one of the suspension arms and attach the hub carrier as shown. Note the direction of the suspension arm.

HPI Savage XS SS Build - Part 89
HPI Savage XS SS Build – Part 89
Attach an arm brace to both the rear of the assembled gearbox…

HPI Savage XS SS Build - Part 90
HPI Savage XS SS Build – Part 90
…and the front. Notice the front brace is slightly different than the rear one. Don’t get these mixed up.

HPI Savage XS SS Build - Part 91
HPI Savage XS SS Build – Part 91
Assemble the camber links per the instructions.

HPI Savage XS SS Build - Part 92
HPI Savage XS SS Build – Part 92
Slide the CVD into the hub carrier as shown…

HPI Savage XS SS Build - Part 93
HPI Savage XS SS Build – Part 93
…then slide the arm between the arm braces and slide the long hinge pin in place. If the arm does not slide in smoothly, loosen the arm mount brace screws 1/4 turn and try again. You want the arm to slide in but still have a somewhat tight fit.

HPI Savage XS SS Build - Part 94
HPI Savage XS SS Build – Part 94
Add a bit of black grease to the ball of the CVD…

HPI Savage XS SS Build - Part 95
HPI Savage XS SS Build – Part 95
…and feed it into the diff outdrive. Take one of the camber links and slide it into position on the shock tower. Insert a camber pins to lock the camber link into place…

HPI Savage XS SS Build - Part 96
HPI Savage XS SS Build – Part 96
…followed by a 2.5x4mm screw. This screw keeps the camber pin in place.

HPI Savage XS SS Build - Part 97
HPI Savage XS SS Build – Part 97
Swing the camber link into place and secure in the hub carrier.

HPI Savage XS SS Build - Part 98
HPI Savage XS SS Build – Part 98
Press a pair of locknuts into the top of the gearbox case. Make sure they are seated all the way down. Take the rear bumper brace and feed it into the two holes in the shock tower.

HPI Savage XS SS Build - Part 99
HPI Savage XS SS Build – Part 99
Secure with the pair of plastic c-clips.

HPI Savage XS SS Build - Part 100
HPI Savage XS SS Build – Part 100
Attach the plastic mount to the metal skid-plate brace. Not the direction of the mount.

HPI Savage XS SS Build - Part 101
HPI Savage XS SS Build – Part 101
Attach the metal skid-place brace to the bottom of the gearbox. The plastic mount (you attached in Step 100) should be towards the front of the gearbox.

HPI Savage XS SS Build - Part 102
HPI Savage XS SS Build – Part 102
Locate the ‘box’ on the plastic skid plate. Insert the tab on the rear of the metal skid-plate into the box as shown…

HPI Savage XS SS Build - Part 103
HPI Savage XS SS Build – Part 103
…and press the gearbox down and into place. The hinge pins should drop into the grooves in the plastic skid plate. You may need to slide the pins slightly forward or back to make them fit.

HPI Savage XS SS Build - Part 104
HPI Savage XS SS Build – Part 104
Secure the plastic skid plate to the gearbox with the 4 screws.

HPI Savage XS SS Build - Part 105
HPI Savage XS SS Build – Part 105
Swing the bumper brace into place and secure to the rear bumper with the 3x18mm screws.

Part 7 – Assembling the central chassis.
Back to the HPI Savage XS SS Build List

About Tony Phalen

Tony Phalen - As an avid RC enthusiast, Tony has been building, bashing and racing RC Cars for over 25 years. He has raced everything from 1:18th scale trucks to 1:5 scale motorcycles and everything in-between. He's also worked on both sides of the industry fence; working at and with many major manufacturers (as well as being a sponsored driver) to working for a high-profile industry magazine. During this time he has learned many tricks, tips and techniques and has transferred that knowledge to CompetitionX - the most informative RC website on the internet!

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