unscrewed. While assembling
the clamp, make sure the bolt
does not touch the drag link tube.
FIGURE 6: NOTE THE VERTICAL ORIENTATION
OF THE CLAMP BOLT AT THE KNUCKLE END
AND ON WHICH SIDE THE NUT MUST BE
POSITIONED

SLEEVE ADJUSTMENT PARAMETERS
11. On the drag link front end you will find an adjustment
sleeve which has internal and external left and right
threads.

FIGURE 7

Writer:

EL

Special Bulletin

SP18-13F
Date

Expiration

Release

Page

03.2018

03.2019

6

7(11)

12. Fine adjustment of the drag link length if required
should be performed exclusively by turning the
adjustment sleeve while preventing the tube and joint
from rotating.
The only part rotating should be the sleeve
•

To extend, turn the sleeve clockwise.

•

To retract, turn counter clockwise.

FIGURE 8

GENERAL LIMITATIONS OF THE ADJUSTMENT SLEEVE

Do not exceed the following maximum thread lengths and
values.
•

Max dimension V : 5/8” (16mm) ± 1 thread pitch

•

Max dimension W : 5/8” (16mm) ± 1 thread pitch

•

Max dimension X : 1” (25mm)

•

Dimension V and W should be equal. (V/W = 1)

FIGURE 9

SLEEVE ADJUSTMENT

X3 AND EARLY MODEL YEARS H3 ONLY
13. Adjust sleeve to the values of FIGURE 10.
14. Once the proper length adjustment is done, tighten the
front end ball joint clamp. To prevent interference
between the ball joint clamp bolts with other
components of the steering system, the clamp bolt
must be positioned horizontally as shown on FIGURE
11. Tighten the clamp nut to 118-133 lbf-ft.
FIGURE 10

Writer:

EL

Special Bulletin

SP18-13F
Date

Expiration

Release

Page

03.2018

03.2019

6

8(11)

FIGURE
11:
NOTE
THE
HORIZONTAL
ORIENTATION OF THE CLAMP BOLT AT THE
SLEEVE END AND ON WHICH SIDE THE NUT
MUST BE POSITIONED

LATE MODEL YEARS H3 ONLY
15. Adjust sleeve to the values of FIGURE 12.
16. Once the proper length adjustment is done, tighten the
front end ball joint clamp. To prevent interference
between the ball joint clamp bolts with other
components of the steering system, the clamp bolt
must be positioned horizontally as shown on FIGURE 13.
Tighten the clamp nut to 118-133 lbf-ft.
FIGURE 12

FIGURE
13:
NOTE
THE
HORIZONTAL
ORIENTATION OF THE CLAMP BOLT AT THE

Writer:

EL

Special Bulletin

SP18-13F
Date

Expiration

Release

Page

03.2018

03.2019

6

9(11)

SLEEVE END AND ON WHICH SIDE THE NUT
MUST BE POSITIONED

DRAG LINK INSTALLATION
17. Install the drag link.
18. Ball joint castellated nut on both ends should be
tightened to 150-200 lbf-ft.
19. Install cotter pin p/n 502104 and bend to lock bolt in
place (see an example of a correct installation of a
cotter pin on the image below).
20. Apply a small amount of anti-seize compound on all
exposed threads for corrosion protection. Be sure to
avoid smearing the ball joint boot.

FIGURE 14

21. VERY IMPORTANT. The old drag links are subject
to analysis and therefore, must be returned to
Prevost. Please, fill the WARRANTY MATERIAL RETURN
TAG found on the last page and join to the returned
part.

Writer:

EL

Special Bulletin

SP18-13F
Date

Expiration

Release

Page

03.2018

03.2019

6

10(11)

PARTS DISPOSAL
All replaced parts must be returned to Prevost according to the Return Shipping Instructions
available on https://www.prevostcar.com/content/warranty-documents for full reimbursement.

WARRANTY
This modification is covered by Prevost’s normal warranty. We will reimburse you the parts and 2 ½ hours
(2.5) of labor upon receipt of the parts and a warranty claim. Please submit claim via our Online Warranty
System, available at www.prevostcar.com (under Service \ Warranty section).

OTHER
VBC Bulletin

N/A

Fail Code

14.04

Defect Code

09

Syst. Cond

B

Causal Part

160932

Access all our Service Bulletins on

http://techpub.prevostcar.com/en/
or scan the QR-Code with your smart phone.

Prevost engages in a continuous program of testing and evaluating to provide the best possible product. Prevost, however, is not
committed to, or liable for updating existing products.

Writer:

EL

Special Bulletin

SP18-13F
Date

Expiration

Release

Page

03.2018

03.2019

6

11(11)

Date:
Customer Name/
Nom du Client:
A.F.A #:
R.O #/
# Ordre:
Bus VIN or Unit #/
NIV Bus ou # Unité:
Part # /
# Pièce:
REQUIRED

Mileage:

WARRANTY MATERIAL
RETURN TAG

ÉTIQUETTE DE RETOUR
DE MATÉRIEL SOUS
GARANTIE

Prevost, Nova Bus and Volvo
Autobus de marques Prevost,
9700 brand buses
Nova Bus et Volvo 9700

This tag is orderable free of charge at Prevost as part # QF230237
Cet étiquette peut être commandé sans frais chez Prevost - Pièce # QF230237
QF230237 rev 1

Writer:

EL