Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
JDL
AUTOMOTIVE REPAIR CONTRIBUTOR
16,098 POSTS
You may need to use an obstruction wrench? Thats just a wrench with a bend in it. If you can't get at it from underneath, maybe you can get at it from up top, through the intake manifold support bracket opening?