Re-Timing 1988 Samurai (position of pulleys and distributor) - Suzuki Forums: Suzuki Forum Site
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Old 05-09-2015, 07:43 PM   #1 (permalink)
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Default Re-Timing 1988 Samurai (position of pulleys and distributor)

Hi all,
I know there are hundreds of threads out there about timing a Sammy.
But I have yet to find anything about where the tick marks on the cam pulley and the crank. I have read multiple manuals and they all say something different.

Can anyone shed some light on this for me? I have seen it put three ways.

1. Notch on camshaft pulley is straight up while the crankshaft pulley notch is straight up.

2. Notch on camshaft pulley is straight down while crankshaft pulley notch is straight up.

3. Notch on camshaft pulley is straight down while crankshaft pulley notch is straight down as well.


Now as well as the position of the pulleys, what about the distributor? I have read (both in forums and my manual) that it should be pointing at #1 or #4. Can anyone confirm what one I should be using?

Thank you in advance!!
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Old 05-09-2015, 08:16 PM   #2 (permalink)
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You should be able to find a downloadable service manual at Ack's FAQ
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Old 05-09-2015, 09:05 PM   #3 (permalink)
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I was not able to find one on the site, I will keep looking though!
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Old 05-10-2015, 02:18 AM   #4 (permalink)
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Quote:
Originally Posted by samuraijack View Post
I was not able to find one on the site, I will keep looking though!
A search for factory service manual (or FSM) will locate at least 2 versions of the Samurai Factory Service Manual along with the 1990 TBI supplement for you.

It is important to have a browser that will read Adobe PDF files or have a free copy of the Adobe reader application (https://get.adobe.com/reader/otherversions/) on your computer.

I highly recommend using Mozilla's Firefox Browser (free at https://www.mozilla.org/en-US/firefox/new/) to view the many pdf files at Ack's FAQ and elsewhere on the InterWebs where Suzuk documents can be found.

Yes there is confusion galore when it comes to setting the timing on a Samurai/Sierra (or the Sidekick/Sunrunner/Tracker/Vitara for that matter).

Oddly enough, the three pulley timing examples are all correct. Think about it: The two pulleys have an exactly two-to-one size ratio. That means each of those positions occur regularly and precisely during the rotation of the crank/camshafts. All you have to do is make absolutely sure that the pulleys are set up exactly Up/Down or pointing directly at each other when installing the timing belt. Turn the crankshaft CLOCKWISE until either Piston 1 or 4 is at IGNITION TOP DEAD CENTER (TDC) before making sure that the distributor rotor is pointing exactly at the correct IGNITION TDC sparkplug point (#1 or #4) on the distributor cap.

You can spot Ignition TDC by looking at the valve position with the timing cover removed. Just watch for the raised "pointy" side of the cam lobes on #1 or #4 to point down so that both valves are closed on that cylinder. Also make sure that the piston is at the top of the cylinder (or TDC) by "feeling" for the top of the piston through the sparkplug hole.

It sounds complicated - okay it IS complicated - but if you visualize it in your mind you can figure it out.

If not, time to have a wrenching party complete with beer and pizza for your more mechanically-inclined friends!

I hope that this helps!
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Last edited by ack; 05-10-2015 at 02:27 AM.
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Old 05-10-2015, 02:12 PM   #5 (permalink)
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ack,
You rock dude! I had to re read the post a few times to make sure but I chose #1 as my TDC. Took my time and made sure everything was good to go. Holy crap this samurai runs so great now! Thank you so much!
Loving this close knit samurai community! I definitely owe you pizza and beer!
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