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Old 07-30-2019, 02:46 PM   #1
Tinyfat
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Default SOHC cam removal

Iím new to these saturns. I was given a 99 sl SOHC 5 speed because the clutch was out. Iíve replaced the clutch and fixed a few other issues and still working on a couple. Iíve gotten a ton of info from searching this forum and was able to fix most things from that info. So this car is going to need a cam pretty soon. Iíve found plenty of info on how to pull the head and remove the cam. Someone mentioned pulling the cam with the head still on the car but a pita to do. Is this possible? If I could pull it without pulling the head it would save me some time and money. I searched but couldnít find a write up on it. If youíve done it or know of a write up on it point me in the write direction.

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Old 07-30-2019, 04:48 PM   #2
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1998 SC2
Default Re: SOHC cam removal

You have to liftup the right end of the engine so the cam clears the fender.

Why do you want to replace the cam?

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Old 07-30-2019, 05:42 PM   #3
Tinyfat
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Default Re: SOHC cam removal

It has a little upper end noise a lot like the tensioner noise. I popped the valve cover off and the cam has some grooving and scaring to a couple of the lobes. One of the lobes is starting to flatten. It almost looks like the rollers on the lifters were stuck at some point.

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Old 07-30-2019, 05:51 PM   #4
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Default Re: SOHC cam removal

You could pop the end plug out on the driver side of the head, might have to remove the battery too to gain clearance, maybe not.

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Old 07-30-2019, 07:21 PM   #5
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1998 SC2
Default Re: SOHC cam removal

Quote:
Originally Posted by Tinyfat View Post
It has a little upper end noise a lot like the tensioner noise. I popped the valve cover off and the cam has some grooving and scaring to a couple of the lobes. One of the lobes is starting to flatten. It almost looks like the rollers on the lifters were stuck at some point.
If they have never been replaced then they are still stuck or out of line.

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Old 07-31-2019, 04:34 PM   #6
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1997 SL
Default Re: SOHC cam removal

Cam is tricky to slide out- all journals are same size.

...
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Old 07-31-2019, 04:35 PM   #7
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1997 SL
Default Re: SOHC cam removal

Crap. Just realized I installed cyl. head without cam. Sure hoping for the best here I would even take out the engine before removing the cyl head again!

...
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Old 07-31-2019, 06:15 PM   #8
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1998 SC2
Default Re: SOHC cam removal

This is why I put all nuts, bolts, and parts into labeled plastic bags all in either tubs or boxes. Timing cover has to come off and probably still is as the chain must come off to extract cam. Be real careful and don't bend any valves.

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Old 08-02-2019, 04:43 PM   #9
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1997 SL
Default Re: SOHC cam removal

Yessir, learned the baggie and tag method from Poor Richard's Rabbit Book about 40 years ago.

I didn't have the front cover on yet, just the bare head installed. I popped out the rear plug and slid the cam in. Cleaned the plug and put some loctite on it- tapped it back home.

I was so excited to get the head back on that mistakes were made....

...
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Old 10-11-2019, 12:48 PM   #10
Tinyfat
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Default Re: SOHC cam removal

Figured Iíd do a update to this thread. I forgot all about this post. I hate doing a search and finding a post on what Iím looking for and it never says the outcome lol. So after watching richpinís video I tackled this job. Iím new to saturns but not new to turning wrenches. I was able to knock the cam plug out and pull the cam out the drivers side. I got a new cam plug at Oreillyís for $1 and some change. All in all I have about 6 hours into it but I also cleaned the egr valve, changed the icm and added power steering. Pick n pull had a 50% of sale so I grabbed a new rack, pump and lines total cost was $55 for everything to add power steering. I was having some misfire and hesitation under load and lack of power after driving the car for about 20 min. It also sounded like a popcorn popper under the valve cover. 3 of the cam lobes were starting to flatten most of the rest had bad pitting and a few lifters had bad scaring and pits. The car was bought at a auction and Iím guessing sat for a while and was just started dry causing the damage. The car now runs perfect with no issues and is super quiet. I have about 4000 miles on it since the swap and Iím getting reliably 37-39mpg mixed hwy and city driving.

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Old 10-12-2019, 12:01 AM   #11
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Default Re: SOHC cam removal

Good news. Nice that you now have power steering as an added bonus.

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