have a 03 sonoma 4.3 4x4. the heater blows air outof all, I changed controls n noticed signs of oil? 4x4 isnt working, hear engage in transfer case. little vac? where do i start?help much appreciated!

clinton
10

Asked by Feb 19, 2012 at 12:31 AM about the 2003 GMC Sonoma SLS Crew Cab 4WD

Question type: Maintenance & Repair

thinking I narrowed to vac problem. push button on 4x4, an here transfer case engage, so replaced accuator on top of transfer case, that not fix. took battery tray out, an very little vac going to diaphram? Diaphram looks decent shape an can move cable. when running in 4 wheel drive just have little vac an cant believe it enough to move cable. an idea on vac or where to go next?

1 Answer

clinton
10

pinhole vac leak. Blew cig smoke through line an found line rubbin by tranny. replaced an all works like new.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search GMC Sonoma Questions

GMC Sonoma Experts

#1 parkle
parkle
Reputation 570
#2 Mike Bonnell
Mike Bonnell
Reputation 400
#3 James Mayfield
James Mayfield
Reputation 270
View All

Related Models For Sale

Used Chevrolet S-10"
26 Great Deals out of 1,771 listings starting at $1,500
Used Ford Ranger"
244 Great Deals out of 7,452 listings starting at $1,295
Used Chevrolet Colorado"
280 Great Deals out of 16,632 listings starting at $1,900
Used GMC Canyon"
116 Great Deals out of 7,590 listings starting at $2,900
Used GMC Sierra 1500"
753 Great Deals out of 46,339 listings starting at $1,995
Used Toyota Tacoma"
518 Great Deals out of 25,697 listings starting at $2,499
Used Ford F-150"
2,490 Great Deals out of 201,422 listings starting at $1,500
Used Chevrolet Silverado 1500"
1,871 Great Deals out of 120,447 listings starting at $1,500
Used Nissan Frontier"
350 Great Deals out of 22,432 listings starting at $1,500
Used Dodge Dakota"
143 Great Deals out of 4,578 listings starting at $1,000
Used Dodge Ram 1500"
530 Great Deals out of 13,085 listings starting at $1,100
Used Chevrolet Tahoe"
733 Great Deals out of 34,219 listings starting at $1,800
Used Ford Explorer Sport Trac"
76 Great Deals out of 2,115 listings starting at $2,888

Used Cars For Sale

2003 GMC Sonoma SLS Crew Cab 4WD For Sale
36 listings starting at $4,950
2002 GMC Sonoma SLS Crew Cab 4WD For Sale
26 listings starting at $3,495