AEM TruTime Adjustable Cam Gear 23851BK User Manual

 
TRU-TIME 
CAM 
GEARS  
1993 – 2000 Dodge Neon SOHC 
Part number 23 – 851 
 
 
WARNING: 
,! 
This installation is not for  the mechanically challenged!  If you 
are not mechanically inclin ed or do not understand the 
procedure please do not attempt the installation.  Refer the 
installation to a reputable mech anic. It is highly recommended to 
purchase the factory service manual  to use as a guide along with 
these instruction sheets
. 
Legal in California ONLY for racing vehicles, which may never be...

 
You have just purchased the BEST adjustable cam sprockets available. These AEM  
adjustable cam sprockets are CNC machined  from billet aluminum and then laser 
etched with cam timing marks for adjustment up to  ±10°  at the cam or  ±20°  at the 
crankshaft. Using the vernier scale on th e sprocket hub helps to perform cam timing 
changes quickly and accurately. The inner  hub is anodized for lasting beauty and 
resistance to corrosion. The out gear sector is hard anodized for resistance to wear. 
We...

 
Read and understand these instructions BEFORE attempting to install this 
product
 
Front Cover Removal 
a)  It is important that the  installer familiarize themselves with the procedures before 
starting the installation. This procedure r equires some Chrysler specific tools, 
which cannot be substituted with other or dinary tools. If you do not have access 
to these Chrysler tools please refer  the installation process to a qualified 
mechanic that does.  It is important to  have a factory service...

 
b) Mechanical Tensioning 
i)  Insert a 8mm Allen wrench into the belt tensioner.  Before rotating the 
tensioner insert the long end of a 1/8”  or 3mm Allen wrench into the pin hole 
on the front of the tensioner.  Rotate  the tensioner counterclockwise with the 
Allen wrench, while pushing in lightly on  the 1/8” or 3mm Allen wrench, until it 
slides into the locking hole. (Fig. 5) 
ii)  Remove timing belt. 
Note:  Do not rotate the camshaft once  the timing belt has been removed or 
damage to the...

 
iii)  Move crankshaft to ½ mark before TDC for belt installation. (Fig. 8) 
iv)  Install timing belt.  Starting at the crankshaft, go around the water pump 
sprocket and then around the cam gear. 
v)  Move the crankshaft sprocket  to TDC to take up belt slack. 
vi)  Remove the 1/8” or 3mm Allen wrench from belt tensioner. 
vii) Rotate crankshaft through two revo lutions and check the alignment of the 
timing marks. 
5)  Reassembly 
a)  Torque the cam gear reta ining bolt to 85 ft.-lbs. 
b)  Reinstall...

 
Reference Diagrams: 
 
 
 Fig 1: Crankshaft Damper Removal Fig 2: Right Engine Mount Removal 
 Fig 3: Engine Mount Removal Fig 4: Hydraulic Tensioner  

 
 
Fig 5: Mechanical Tensioner Fig 6: Compressing Hydraulic Tensioner 
Fig. 7:  Aligning Crank to 3 Notches from TDC Fig. 8: Aligning Crank to the ½ Mark 
 
 
 
 
 
 
 
 
 
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