8 discussions on MotorsForum about the GMC 4L60: what owners asked, what went wrong, and what fixed it.
Hello All,I purchased a 2006 Chevrolet Silverado 4x4 this summer with the 5.3 liter V8. The RPO codes show that I have an M30 transmission. This truck being a Z71 is a 1500 series light duty truck. What automatic transmission does this...
88 740 Turbo. Water pump went, next day the engine seized. So thequestion is: what sort of engine am I looking for as a replacement? Does it have to be same year make and model, or is there latitude withthese sort of things? The...
Hi allbuddy of mine has a 93 or 94 model Z71 reg cab stepside for sale. I have a90 model with 167K miles; his is around 100K miles, my question is there anydifference (other than money) between a 90 model and the new ones? i knowit's a...
GM currently has two nearly-identical, light-duty trucks lines: One made bythe Chevrolet division and the other made by the GMC division. It was only afew years ago that the two trucks were identical, with the exception of afew superficial...
I'm thinking of replacing my TH350 with a 700R4 to get OD. Quick search on the web brings up a lot of so called heavy duty units. Are they any good? What problems will I run into? Will a 700R4 hold up or is there a better option?The car is...
HI everyone, hope the New Year is great for everyone.I have a 51 C cab that I have had for some 32 years. I drive it nearlydaily, and it has around 650,000 miles on it.When I got it there was a 232 V8 sitting in it that the original...