1994 Chevy Suburban

1994 CHEVROLET SUBURBAN
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WARREN MORROW
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Noises problem
1994 Chevy Suburban V12 Four Wheel Drive Automatic 176ooo miles

i have a 1994 chevy suburban and i here a rattling noise in the eng.like the valves are going bad i here it mostly going up hills can you please help me with this situation THANK YOU
Feb 16, 2010 at 8:27 PM
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OBXAUTOMEDIC
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Hello,

When was your last tune-up?

Check Timing...

If hearing rattling during excelleration and going up hill the most common cause is worn plugs, cap, rotor and wires or timing.


.
Feb 16, 2010 at 9:12 PM