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How do you replace the idler pulley on a 1997 grand prix?
Remove belt If you just want to change pulley remove center bolt - it is usually LEFT hand thread If you want to change entire unit remove bolt at spring - usually RIGHT hand thread
What fullform of UNC nut and bolt?
UNC stands for "UNIFIED BOLT THREAD COARSE" UNF stands for " UNIFIED BOLT THREAD FINE"
What thread is the bolt that holds the harmonic balancer to the crankshaft on a 350 chev?
It is a standered fine thread bolt, Grade 8
Is the Tensioner Arm bolt on a 99 mustang a reverse thread bolt?
No it is not. The bolt on the pulley is but the tensioner mounting bolt is a T55 torx bit head with the standard thread (right/tight left/loose).
What is a thread guide?
A thread guide is a tool to measure the number and pitch of threads on a bolt
Is the crankshaft pulley bolt left hand or right hand thread?
Right hand thread
An automotive bolt has a designation of ½-13 UNC Auto Technician A says this bolt is a coarse-thread?
He is right. A fine thread would be 1/2-20.
What does the A signify in the thread call out of 250-20UNC-2A?
A refers to the external thread of a screw or bolt. B means internal thread, specified for nuts and inserts. For example a 2A bolt uses a 2B nut
How do you fix a stripped bolt on a 1990 Chevy lumina van thermostat housing?
You will probably have to re-thread unless you can get a SLIGHTLY over sized bolt to thread and seal
An automotive bolt has a designation of ½-13 unc auto technician a says this bolt is a coarse-thread bolt auto technician b says the bolt has a diameter of 13 millimeters?
general use coarse thread bolt is correct. 1/2 inch bolt. 13 threads per inch.
Mitsubishi gto crankshaft pulley is the bolt right or left hand thread?
Right hand thread
An automotive bolt has a designation of half inch 13 UNC auto technician A say htis bolt is coare thread bolt auto technician B say the bolt has a diameter of 13 millimeters what sta?
A, the half inch bolt has 13 rows of thread in one inch.
