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Old 04-11-2010, 09:28 AM   #1
curio
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Default Remove coil pack on 1997 SL1

What tool do I need to remove the bolts that secure the coil packs? No wrench or socket that I have will fit between the upper terminals, let alone between the bottom of the bolt and the coil pack housing.

Many thanks.

Curio.

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Old 04-11-2010, 09:45 AM   #2
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1997 SL
Default Re: Remove coil pack on 1997 SL1

I think I used standard 1/4 drive sockets. Or a nut driver. Nothing fancy.

...
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Old 04-11-2010, 09:59 AM   #3
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Default Re: Remove coil pack on 1997 SL1

An 8mm 1/4 inch drive socket works.

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Old 04-11-2010, 11:03 AM   #4
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Default Re: Remove coil pack on 1997 SL1

Many thanks.

1/4 drive with 8mm works. Clearly, I have never done this before. so when putting back the old ones or installing new ones, are they keyed so that there is only one way they for them to seat and otherwise properly mate with whatever is on the other side.

By way of background, there were starting problems attributed by my local service station to corroded coil pack terminals and corroded plug wires. I cleaned the terminals and applied a light coating of delectric lubricant and replaced the wires. Start-ups are okay more often than not. Other times require four or five attempts before it will start. This infrequent balking leads me to wonder if replacement of the colil packs will solve that problem. Will welcome opinions.

Curio

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Old 04-11-2010, 11:19 AM   #5
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Default Re: Remove coil pack on 1997 SL1

As a new member, read about the infamous engine coolant temperature sensor (ECTS), replace yours if its the original one. All in the How-to library. You also inherited the '97's faulty fuel check valve requiring a simple modified starting technique of pausing a few seconds between ignition ON and START, to allow the fuel pump to build up lost fuel pressure. Only '97's have the faulty check valve and most owners have fewer starting problems after learning this.

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Old 04-11-2010, 12:37 PM   #6
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Default Re: Remove coil pack on 1997 SL1

Thanks for the starting procedure tip; will be sure to use it. I replaced the ECTS in December 2002 at 47,656 miles; mileage now is 104,131.

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Old 04-12-2010, 09:29 PM   #7
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1997 SL
Default Re: Remove coil pack on 1997 SL1

A lot of people replace the ECTS every few years just because it's cheap and easy. Yours is already 7 years old and 57K miles....

When the car is hard to start, are you sure you are getting spark? Gas?

...
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Old 04-18-2010, 12:44 PM   #8
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Default Re: Remove coil pack on 1997 SL1

Thanks to one and all for advice. Starting remains and intermittent problem. It has more than one driver and I'm not always there when it refuses to start. At the moment it does start and runs smoothly. I need to be on the scene when it doesn't. BTW currently, resistance across pairs of coil pack terminals measures 7.9K ohms, if I'm reading the instrument correctly.

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Old 04-18-2010, 04:49 PM   #9
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Default Re: Remove coil pack on 1997 SL1

In preparing to remove the coil packs and ignition module, I noticed that the unit is mounted at an angle to the engine so that I can slip a piece of paper into a small opening at the top left and along the left-hand side. The bolts are tight and the unit seems to be otherwise secure. The paper does not go down so far as to come out the bottom or go in sor far as to come out the right-hand side. Is all of this by design? I do not plan on removing the unit until replacements are at hand. They have to be ordered by a local retail outlet--Advance Auto Parts.

Ignorance is not bliss.

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Old 04-18-2010, 05:12 PM   #10
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Default Re: Remove coil pack on 1997 SL1

Go to rockauto.com and look at your parts before they were mounted. Its been said here that junk yard ignition modules and coils are cheaper than new and work just as well. Your choice.

...
*The CPS is the heart of the entire EFI system. No cps = dead EFI system*
*There's more to a/c than just a few cans of refrigerant*
*There's more to brakes than just replacing parts*

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Old 04-19-2010, 09:05 AM   #11
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Default Re: Remove coil pack on 1997 SL1

Choices, choice; have found that the prices for the coil packs and ignition module vary widely by as much as $40 for a coll pack and over $100 for an ignition module. Does higher price mean higher quality, for example longer life? better and more consistent voltage delivery?

Thanks,

Curio.

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Old 04-19-2010, 09:22 AM   #12
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Default Re: Remove coil pack on 1997 SL1

Not really as its all profit. Members here going the junk yard route buy the combo for less cost and never complain about used parts. You can search for posts about used parts working just as well as new pricey ones. Ignition parts are about as state of the art with no real improvements from the aftermarket sector so any promises of better performance cannot possibly be any better than stock parts. Electronics cannot be improved upon the basic circuitry but the aftermarket sellers would like you to believe so. A look at the OEM parts next to aftermarket suppliers won't show any difference other than the advertising.

...
*The CPS is the heart of the entire EFI system. No cps = dead EFI system*
*There's more to a/c than just a few cans of refrigerant*
*There's more to brakes than just replacing parts*

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Old 04-19-2010, 10:00 AM   #13
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Default Re: Remove coil pack on 1997 SL1

Thanks for the quick and very comforting reply. On to the buying and installation stages. All told, the responses to my questions have saved me hundreds of dollars. Couldn't have come at a better time.

Curio.

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Old 04-24-2010, 05:53 PM   #14
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Default Re: Remove coil pack on 1997 SL1

This thread is very useful; could anyone provide a part number for an 1997 SL1coil pack? I seem to be in need of a coil pack as well. any specific site links for said part would be greatly appreciated (searches for '1997 Saturn SL1 coil pack' don't seem to generate any results).

thanks

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Old 04-24-2010, 08:26 PM   #15
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Default Re: Remove coil pack on 1997 SL1

There are OEM Saturn parts advertised here from saturnparts.com, saturnparts.net and rockauto.com. Buy OEM new and expect to pay unless you want to save some money and look in your nearest junk yard for used parts that work just like new.

Next time try Googling Saturn parts...........

...
*The CPS is the heart of the entire EFI system. No cps = dead EFI system*
*There's more to a/c than just a few cans of refrigerant*
*There's more to brakes than just replacing parts*

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Old 04-25-2010, 11:26 AM   #16
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Default Re: Remove coil pack on 1997 SL1

I found four sources. Advance Auto Parts wants about $35 per coil pack and $125 for the ignition module. Prices at a local independent parts supplier are something near twice as much, the local Saturn supplier wants even more, and the cost of Saturn parts if installed by a local service station--$124 per coil pack(don't have a price on the module)--is even more than that. Go with Advance Auto Parts, if you don't enjoy junk yard hopping, which can actually be informative and somewhat fun.

Curio.

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Old 04-25-2010, 04:14 PM   #17
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1997 SL1
Default Re: Remove coil pack on 1997 SL1

can u referb a coil?

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Old 04-25-2010, 04:21 PM   #18
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1996 SL1
Default Re: Remove coil pack on 1997 SL1

If after replacing the coil packs/ cleaning them you have the starting issue the 97's were known for a fuel pump/ check valve problem. research the fuel pump or starting issues for a 97 and you will find the info.

It seems most people just deal with it and cycle the ignition a few times then it starts wright up.

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