Jnick Posted June 6, 2015 Posted June 6, 2015 I have a 1988 Jeep Comanche, Pioneer, 4.0, 4x4, 93,000 miles with a snow plow. Last weekend I noticed both seat belts do not lock when I jerk them forward. Does this mean the pretensioner is shot and will not function correctly in an accident? Do your Comanches seat belts lock when given a quick jerk forward? Thanks very much! Jimbo
Fernando87mj Posted June 6, 2015 Posted June 6, 2015 On mines it doesn't but on a panic stop or when I brake hard they do
Megadan Posted June 6, 2015 Posted June 6, 2015 On mines it doesn't but on a panic stop or when I brake hard they do Same as mine. If I try to yank on the belt really hard, I just get a lot of belt very quickly, but during a hard stop they do engage.
outlaw star Posted June 7, 2015 Posted June 7, 2015 25 year old technology.^^this^^ They're about as simple as "tech" gets. There's a slide inside the belts spool housing with a weight on it. When you hit the brakes, the momentum causes that weight to slide forward and "lock" the spool.
Jnick Posted June 7, 2015 Author Posted June 7, 2015 Great- thanks very much for everyone's responses. I feel much better now. Jimbo
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