SKYLARK 3.3 V6 year 1990 - service manual - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-21-2014, 05:06 AM   #1
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Default SKYLARK 3.3 V6 year 1990 - service manual

Don't you have any?

Or maybe single manuals for LG7 engine and THM-125 transaxle?

I'm it'* owner for few days only, so I'm glad for any informations..
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Old 10-21-2014, 07:58 AM   #2
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Depends what you need. Auto zone gives free ones but they are limited in completeness
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Old 10-21-2014, 08:50 AM   #3
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I think he'* looking for the factory service manual. Try e-bay.
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Old 10-21-2014, 09:03 AM   #4
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Correct! I tried, but for me it means 3 weeks of delivering, so I'm trying my luck here..

I haven't even found if LG7 (L3300 V6 EFI) is OHV or OHC.. Or where lambda probes are placed..

Also thanks for that Auto zone website it'* very useful!

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Old 10-21-2014, 09:11 AM   #5
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It'* OHV.

Your probes are usually put in place of the existing O2 sensor hole. What are you trying to accomplish here?
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Old 10-22-2014, 07:57 AM   #6
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Just trying if somebody may have that service manual at home or in PDF version, so I can get it way sooner than from eBay..

So far I found only basic informations.. Is it true, that there are only 3.8 litres of engine oil? It sounds quite few to me..

Thank you for helping me..
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Old 10-22-2014, 08:06 AM   #7
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doesnt sound right. every gm i have ever had or serviced took 5 qts, after the filter fills up with the engine running its good on the dipstick. they may just be what the pan holds.
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Old 10-22-2014, 08:49 AM   #8
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No, I was asking what you were trying to do with the car that you need the service manual.
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Old 10-29-2014, 07:17 AM   #9
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Well.. My engine stalls.. It starts perfectly hot and cold, even after stalling it will start like a flash.. Idle runs fluently, no misfires or so.. When the engine is cold, everything is fine.. But.. When it warms then it starts to stall while idle, so I have to stop, park and start again.. It even happens when engine pulls the car forward.. Engine'* rpms become unstable and it starsts to jerk with the vehicle.. Worst thing is that it does not happen always.. During this the yellow "service engine" light goes on and off again (not blinking, it takes some time)..

For information.. Engine runs up to maximum rpms and has full power, it easily let the vehicle go above 160km/h..

Any suggestions?

Air filter is new, hoses and wires seems ok, coils have good resistivity, spark plugs' cables seems good, going to change spark plugs..
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Old 10-29-2014, 08:18 AM   #10
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