Question about 1984 Oldsmobile Ninety Eight

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1984 Oldsmobile 98

OK, i have a 1984 Oldsmobile 98 with the 307 v8 Oldsmobile engine, automatic transmission and cruise control. we just got done rebuilding the engine and i was reassembling the vacuum lines when i noticed a problem lol. its very likely that the vacuum lines wernt set up properly when i got the car... i need the diagram for that specific engine set up. as some of the vacuum controled moduals are specific to it alone.

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  • fadeintodark
    fadeintodark Jan 17, 2013

    well, the specific issue i ran in to was that on my cruise controll cylanoid under the hood, it has 2 vacume lines, 1 small, 1 larger. the small 1 is already hooked up, but after i hooked up everything else, i had nothing to put on the large fitting. no idea whether another line goes on it or it gets blocked off...

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  • Oldsmobile Master
  • 3,103 Answers

May find it on-line or call autozone or advance or someone and see if they can print it out for you..good luck

Posted on Jan 17, 2013

  • fadeintodark
    fadeintodark Jan 17, 2013

    already looked at autozone, they only have a general diagram.

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ZJLimited
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SOURCE: need vacuum diagram for 1984 oldsmobile

Check this...

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Fig. Abbreviations used in Oldsmobile vacuum circuits


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Fig. 54: 1983 V8-5.0L VIN 9 4-bbl, AT - ALL EXC. HURST OLDS.

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Fig. 55: 1984 V6-3.8L VIN A 2-bbl, AT - - FEDERAL


I really hope this can help you; remember rated this, good luck.

Posted on May 15, 2010

  • 224 Answers

SOURCE: Need to rebuild engine,where can I find a diagram?

clinton or haynes repair manual at your parts store

Posted on Aug 16, 2009

  • 2 Answers

SOURCE: 1990 oldsmobile steering wheel audio controls

I have the same problem did you ever figure it out.

Posted on Jun 24, 2011

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Fig. Fig. 49: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission

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Fig. Fig. 50: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission alternate

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Fig. Fig. 51: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission

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Fig. Fig. 52: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission alternate

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Fig. Fig. 53: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with manual transmission

jturcotte_2431.gif

Fig. Fig. 54: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with manual transmission alternate

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Fig. Fig. 55: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with manual transmission

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Fig. Fig. 56: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with manual transmission alternate

jturcotte_2434.gif

Fig. Fig. 57: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with manual transmission alternate

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Fig. Fig. 58: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission alternate

jturcotte_2436.gif

Fig. Fig. 59: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission alternate

jturcotte_2437.gif

Fig. Fig. 60: 1984 305 (5.0L) V8 engine-4bbl federal and low altitude with automatic transmission alternate

jturcotte_2438.gif

Fig. Fig. 61: 1984 305 (5.0L) V8 engine-4bbl federal and high altitude with automatic transmission alternate

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