Not sure what's wrong with our 93 Sierra

Robin Mears

Asked by Apr 12, 2016 at 05:35 PM about the 1993 GMC Sierra 1500 K1500 4WD Extended Cab LB

Question type: Maintenance & Repair

We lost two wheel drive, we were driving in
two wheel drive an heard a low clunk an lost
drive. So he put it in four wheel drive an it
worked so we drove it a few blocks back
home. What could be wrong with it? Four
wheel everything works. Two wheel nothing

1 Answer


Your rear pinion gear probably sheared off and is laying in the bottom of the axle casing if not there are problems with the transfer case

Your Answer

Add photo

Related Questions

  • Battery won't recharge in my 1993 Sierra Z71 4 answers

    I have a 93 Sierra and the battery won't recharge. Have replaced alternator. Truck is running at 10 volts and if you turn on radio,heat,etc. it will kill the battery very quickly. Any ideas what cou...

    1993 GMC Sierra 1500 K1500 4WD Extended Cab LB


    Maintenance & Repair

  • I had a code 700 when I diagnose my 94 GMC Sierra. That is a transmission control unit problem. What's the best and cheapest way to fix it. can I do it myself? 2 answers

    I was going 65 70 on the freeway When I noticed I smelt burning wires. the truck then kind of held back power while my foot was still on the gas . it does this every now and then feels like its l...

    1994 GMC Sierra 1500


    Maintenance & Repair

  • 97 GMC Sierra v6 11 answers

    Recently put in a new engine in my 97 GMC Sierra and now its throwing a P0300 code random misfire. I've changed everything from the spark plugs, spark plug cables, ignition coil, distributer cap, ...

    1997 GMC Sierra 1500 C1500 SL Standard Cab Stepside SB


    Maintenance & Repair

  • what would cause my 1994 GMC 1500 sierra to not start after oil change 21 answers

    His truck was running a bit rough before he did the oil change, now the truck won't start at all. Can you maybe give us some ideas on what may be wrong with it? Thank you for any information you can...

    1994 GMC Sierra 1500


    Maintenance & Repair

  • 97 gmc sierra 2 answers

    Have A 97 GMC Sierra the brake lihgts wont come on!! at first they would not turn off. So we put new brake switch in. that work then they would not come on. so we changed the circuit board and put a...

    GMC Sierra 1500


    Maintenance & Repair

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
Reputation 4,390
#2 John Saffrahn
John Saffrahn
Reputation 3,070
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 2,690
View All

Related Models For Sale

Used Ford F-150"
3,177 Great Deals out of 215,801 listings starting at $1,000
Used Dodge Ram 1500"
540 Great Deals out of 13,899 listings starting at $995
Used GMC Yukon"
547 Great Deals out of 14,666 listings starting at $1,500
Used GMC Sierra 2500"
212 listings starting at $4,999
Used Chevrolet Camaro"
812 Great Deals out of 39,041 listings starting at $2,650

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
18,768 listings starting at $20,851
2016 GMC Sierra 1500 For Sale
76 Great Deals out of 13,583 listings starting at $22,305
2015 GMC Sierra 1500 For Sale
187 Great Deals out of 4,750 listings starting at $15,995
2014 GMC Sierra 1500 For Sale
160 Great Deals out of 4,271 listings starting at $14,899
2013 GMC Sierra 1500 For Sale
85 Great Deals out of 2,639 listings starting at $12,400