2007 ISUZU KB P190 reset

Engine Mechanical – V6 Page 6A1–110
Page 6A1–110
3.16 Timing Chains, Tensioners, Shoes and
Guides
CAUTION
Setting the camshaft timing is required
whenever the camshaft drive system has
been disturbed and the relationship between
any chain and sprocket has been lost. If
required, follow the left-hand secondary
timing chain reinstallation procedure to reset
the camshaft timing.
Primary and Left-hand Secondary Timing Chain Installation
Excluding MY06 Update

Figure 6A1 – 99
Legend
1 Intake Camshaft Sprocket Timing Mark – Left-hand
2 Secondary Timing Chain Bri ght Plated Link – Left-hand
3 Exhaust Camshaft Sprocket Timing Mark – Left-hand
4 Secondary Timing Chain – Left-hand
5 Primary Timing Chain
6 Camshaft Intermediate Sprocket Timing Mark – Left-hand 7 Camshaft Intermediate Sprocket – Left-hand
8 Primary Timing Chain Bright Plated Link
9 Camshaft Intermediate Sprocket Timing Mark – Right-hand
10 Camshaft Intermediate Sprocket – Right-hand
11 Crankshaft Sprocket
12 Crankshaft Sprocket Timing Mark

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–126
Page 6A1–126
Primary Timing Chain Tensioner

Figure 6A1 – 135
1 Inspect the primary timing chain tensioner for wo rn shoe surface (1), refer to Figure 6A1 – 133.
2 Inspect the tensioner for a locked or binding tensioner shaft (2). Reset the plunger (3) and ensure the tensioner
shaft moves freely in and out of the body of the tensioner.
NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver or Tool No. J 45027 (4) to wind
the plunger in a clockwise direction, into the
tensioner shaft.
3 Replace a damaged tens ioner as required.
Left-hand Secondary Timing Chain Guide
1 Inspect the left-hand secondary timing chain guide for
the following:
• worn guide surface (1),
• cracked or broken guide surface (2), and
• cracked or damaged guide base (3).
2 Replace a damaged guide as required.


Figure 6A1 – 136

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–128
Page 6A1–128
2 Inspect the tensioner for locked or binding tensioner shaft (2). Reset the plunger (3) and ensure the tensioner shaft
moves freely in and out of the body of the tensioner.
NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver or Tool No. J 45027 (4) to wind
the plunger in a clockwise direction, into the
tensioner shaft.
3 Replace a damaged tens ioner as required.
Right-hand Secondary Timing Chain Guide
1 Inspect the right-hand secondary timing chain guide
for the following:
• worn guide surface (1),
• cracked or broken guide surface (2), and
• cracked or damaged guide base (3).
2 Replace a damaged guide as required.


Figure 6A1 – 140
Right-hand Secondary Timing Chain Shoe
1 Inspect the front of t he right-hand secondary timing
chain shoe for the following:
• worn shoe surface (1),
• cracked or broken shoe surface (2), and
• cracked or damaged shoe (3).


Figure 6A1 – 141

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–129
Page 6A1–129
2 Inspect the back of the shoe for a damaged, worn or
missing timing chain tensioner contact pad (1).
Replace a damaged shoe as required.

Figure 6A1 – 142
Right-hand Secondary Timing Chain Tensioner

Figure 6A1 – 143
1 Inspect the right-hand secondary timing chain tensioner for damaged plunger-to-shoe contact surface (1), refer to
Figure 6A1 – 141.
NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver or Tool No. J 45027 (4) to wind
the plunger in a clockwise direction, into the
tensioner shaft.
2 Inspect the tensioner for a locked or binding tensioner shaft (2). Reset the plunger (3) and ensure the tensioner
shaft moves freely in and out of the body of the tensioner.
3 Replace a damaged tens ioner as required.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–136
Page 6A1–136
21 Install the left-hand secondary timing chain shoe
bolt (1) and tighten to the co rrect torque specification.


NOTE
Ensure secondary timing chain shoe is clear of
the left-hand secondary timing chain tensioner
mounting pad, before ti ghtening the attaching
bolt.
Secondary timing chain shoe attaching
bolt torque specificat ion .......................... 20.0 – 26.0 Nm


Figure 6A1 – 161
22 Ensure the left-hand secondary timing chain tensioner is selected and orientated correctly.


Figure 6A1 – 162
23 Reset the left-hand secondary timing chain tensioner.

NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver (1) or Tool No. J 45027 (4) to
wind the plunger in a clockwise direction, into
the tensioner shaft (2).


Figure 6A1 – 163

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–146
Page 6A1–146
22 Ensure the left-hand secondary timing chain tensioner
is selected and orientated correctly.


Figure 6A1 – 189
23 Reset the left-hand secondary timing chain tensioner.

NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver (1) or Tool No. J 45027 (4) to
wind the plunger in a clockwise direction, into
the tensioner shaft (2).


Figure 6A1 – 190
24 Install the tensioner shaft (1) into the left-hand secondary timing chain tensioner body (2).

Figure 6A1 – 191

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–153
Page 6A1–153
15 Ensure that the primary timing chain tensioner is
being installed.

Figure 6A1 – 210
16 Reset the primary timing chain tensioner.




NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver (1) or Tool No. J 45027 (4) to
wind the plunger in a clockwise direction, into
the tensioner shaft (2).


Figure 6A1 – 211
17 Install the tensioner shoe assembly (1) into the primary timing chain tensioner body (2).


Figure 6A1 – 212

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–161
Page 6A1–161
15 Ensure that the primary timing chain tensioner is
being installed.

Figure 6A1 – 231
16 Reset the primary timing chain tensioner.




NOTE
To reset the tensioner, use a suitably sized flat
blade screwdriver (1) or Tool No. J 45027 (4) to
wind the plunger in a clockwise direction, into
the tensioner shaft (2).


Figure 6A1 – 232
17 Install the tensioner shoe assembly (1) into the primary timing chain tensioner body (2).


Figure 6A1 – 233

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007