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Old 02-12-2007, 04:05 PM   #1
99_sl2
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1999 SL2
Default '99 DOHC Rebuild

im planning to rebuild my saturn motor due to a spun rod bearing. does anyone have experience in doing this as far as finding parts and what parts i will actually need. i have a good list goin already but im dreading dealing with the morons at the auto parts store. here's everything i have down so far. anyone feel free to let me know if i've missed anything.

Crank
Rod
Main Bearings, Rod Bearings
Piston Rings
Head Gasket
Front/Rear Seals
Spark Plugs
Belt
Oil Filter
Intake/Exhaust Gaskets(are these reusable or should i get new ones)
Timing Chain Tensioner?
Valve Stem Seals

also, does anyone know if i can get a piston/rod assembly or if i have to buy the rod separate. or if the wrist pins are press on or have clips? thanks in advance for any help

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Old 02-13-2007, 02:27 AM   #2
ruley73
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2007 ION-2 Quad Coupe
Default Re: '99 DOHC Rebuild

Since there were significant engine changes in the DOHC engine between 1998 and 1999, I would suggest telling the parts people that you need these parts for a 2000 (uses same parts as 1999) to ensure you get the right parts. I find all too often when I shop elsewhere that most parts people take the data in the computer as gospel ("Not Available" on the screen means not available period dammit!!! lol) and are usually too lazy to check the book. Being an ASE Certified parts specialist myself, I encounter data errors in our parts look-up computer more often than I would prefer, but some human error during data transfer (from the book to the computer) is inevitable. If I sense the potential for a certain part to be listed wrong in the computer I verify it with the book. It is safe to say that the part books are correct 99.9% of the time.

I would add a timing set (includes chain and sprockets) to your list. The intake and exhaust gaskets are not reusable and I would replace both. Don't know about the pistons/rods.

...
2007 Ion 2 Quad Coupe 5-speed manual 179K miles
2007 Chevy Equinox LT 190K miles

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Old 02-13-2007, 03:25 AM   #3
99_sl2
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1999 SL2
Default Re: '99 DOHC Rebuild

hmm...thank you...also, after reading some other posts....is it absolutely necessary for a new oil pump and new timing chain and everything?...the motor only has about 80,000 on it

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Old 02-13-2007, 04:21 AM   #4
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2001 SC1
Default Re: '99 DOHC Rebuild

For the cost of those parts it would be worth it. Better to do it now and save on the time later. I changed my motor last summer and had to replace my clutch two weeks later. That was 200 bucks I didn't want to or have to spend

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Old 02-13-2007, 07:00 AM   #5
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2000 SW2
1998 SL2
Default Re: '99 DOHC Rebuild

Quote:
Originally Posted by 99_sl2 View Post
hmm...thank you...also, after reading some other posts....is it absolutely necessary for a new oil pump and new timing chain and everything?...the motor only has about 80,000 on it
It's extremely rare for an oil pump to go in these cars. I would get a timing set from Saturn though. Pack the oil pump with petroleum jelly before you put things back together.

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Old 02-13-2007, 04:22 PM   #6
99_sl2
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1999 SL2
Default Re: '99 DOHC Rebuild

alright, yeah, i understand the timing chain and all, timing chains are not fun to do, been there...also, i can pull the motor out the top correct?...its a manual trans...does the tranny have to come out with it, or will i separate them?.....oh, and why pack the oil pump with petroleum jelly? just lubrication, or to keep debris out?...why?..i've never heard of doing that before

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Old 02-13-2007, 08:11 PM   #7
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Default Re: '99 DOHC Rebuild

The petroleum jelly "primes" the pump. It ensures that it creates enough suction to start pulling oil up from the pan. If you start out with a new oil pump that's not full of something... (and you wouldn't want to try to keep oil in there while putting everything together)... it'll won't draw any oil, and your engine will be running without lubrication.

I've never pulled an engine on a Satty, but I hear that its easier to drop the whole thing out the bottom. There are threads in here that have a lot of detail, if you search around.

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