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I have a 1993 GMC Safari van and it makes a loud whining noise when being driven down the road.

Tiny
GRANDMA1
  • MEMBER
  • 1993 GMC SAFARI
THE THINGS I HAVE CHANGED ON THE VAN ARE THE SERPENTINE BELT, THE FAN, THE ALTERNATOR, AND THE BATTERY.
Friday, January 20th, 2012 AT 7:27 PM

14 Replies

Tiny
SATURNTECH9
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If its in park and your reving the engine up without moving can you hear this noise?
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Friday, January 20th, 2012 AT 7:36 PM
Tiny
GRANDMA1
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  • 11 POSTS
NO. I STARTED IT AND REVED THE MOTOR AND IT DID NOT MAKE THE NOISE. BUT, I HEARD THE WHINING NOISE VERY SOFTLY WHEN THE MOTOR FIRST TURNED ON BEFORE I REVED IT. I CAN HEAR A WHINING NOISE SOMETIMES LOW AND SOMETIMES LOUD AFTER ABOUT 5 MINUTES OF DRIVING THE VAN DOWN THE ROAD.
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Saturday, January 21st, 2012 AT 7:55 PM
Tiny
SATURNTECH9
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If you put the transmission in neutral while moving and hearing the noise does the noise go away?
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Monday, January 23rd, 2012 AT 12:16 AM
Tiny
GRANDMA1
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  • 11 POSTS
I WILL DO THAT TOMARROW AND GET RIGHT BACK TO YOU. THANK YOU.
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Monday, January 23rd, 2012 AT 1:15 AM
Tiny
SATURNTECH9
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Your welcome keep me posted.
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Monday, January 23rd, 2012 AT 1:51 AM
Tiny
GRANDMA1
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HELLO. I TOOK THE VAN OUT TODAY AND AFTER DRIVING THE VEHICLE A FEW MINUTES WHILE HEARING THE NOISE I PUT THE VAN IN NEUTRAL BUT THERE WAS NO CHANGE AT ALL. I STILL HEARD THE NOISE.
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Tuesday, January 24th, 2012 AT 2:01 AM
Tiny
SATURNTECH9
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So you really only hear the noise while moving?If so does the noise change while changing lanes left or right?
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Tuesday, January 24th, 2012 AT 3:32 AM
Tiny
GRANDMA1
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  • 11 POSTS
SOMETIMES WHEN I START THE VAN WITHOUT MOVING I HEAR A LOW WHINING NOISE. OTHER TIMES WHEN I START THE VAN IT WILL RUN QUIETLY WITH NO NOISE HEARD. WHEN I HEAR A LOW WHINING NOISE I WILL CONTINUE TO DRIVE THE VAN FOR A FEW MINUTES AND THE NOISE WILL GET LOUDER AND THEN STOP. WHILE DRIVING WHEN IT WHINED I TURNED THE WHEEL TO THE LEFT AND THE NOISE STOPPED. I TURNED THE WHEEL TO THE RIGHT AND THE NOISE STOPPED. BUT, OTHER TIMES WHEN I TURN THE WHEEL TO THE LEFT AND RIGHT THE WHINING WILL CONTINUE. SOMETIMES WHEN I DRIVE THE VAN THE VEHICLE WILL NOT WHINE AT ALL FOR SHORT PERIODS OF TIME. IS IT OK TO DRIVE THE VAN?. THANK YOU SO MUCH FOR ANSWERING MY EMAILS AND FOR ALL YOUR HELP.
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Wednesday, January 25th, 2012 AT 2:33 AM
Tiny
GRANDMA1
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HELLO. DID YOU RECIEVE MY REPLY TO YOUR MOST RECENT QUESTION? I CANNOT TELL IF MY REPLY MADE IT TO YOU. THANKS AGAIN.
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Wednesday, January 25th, 2012 AT 2:52 AM
Tiny
SATURNTECH9
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I cant tell you if its safe to drive not know whats making the noise. Your going to have to track the noise down sounds like something on the engine is making noise. You can use a long screwdriver held up to your ear touching different parts of the engine to track the noise down.
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Thursday, January 26th, 2012 AT 7:16 AM
Tiny
OLD2DOC
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I had something similar. It was more of a whistling noise, but sounds exactly as described. Turned out to be a bad boot (L-shaped connector) on the PCV valve.
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Saturday, January 28th, 2012 AT 7:00 PM
Tiny
GRANDMA1
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  • 11 POSTS
HELLO. COULD YOU TELL ME WHERE A PCV VALVE IS LOCATED ON A 1993 GMC SAFARI VAN AND HOW TO REPLACE IT. THANKS.
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Saturday, January 28th, 2012 AT 9:12 PM
Tiny
OLD2DOC
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If it's the same as mine, it's on top of the vavle cover on the passenger side. Very easy to "unplug" it from the engine and the connector. If you're replacing the L-shaped boot, you'll have to get that at a dealer (about $5) and it comes with a piece of plastic tube (about 8" long). To replace it, it's easier to do from the inside of the van with the dog house off. But you might be able to reach it all form the front with the air cleaner box and hose removed.
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Saturday, January 28th, 2012 AT 10:06 PM
Tiny
GRANDMA1
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  • 11 POSTS
DEAR Old2Doc, I HAVE TAKEN YOUR ADVICE ABOUT MY 1993 SAFARI VAN AND I WENT OUT AND PURCHASED A BRAND-NEW PCV VALVE AND ALL OF THE ACCESSORIES NEEDED TO REPACE IT. YOU WERE EXACTLY RIGHT, IT HAS NOW BEEN REPLACED AND THE LOUD WHISTLING NOISE HAS STOPPED COMPLETELY. THANK YOU SO MUCH FOR YOUR ALL YOUR HELP. LINDA
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Saturday, February 11th, 2012 AT 3:12 AM

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