Hot air comes from heater all the time
SOURCE: I cannot figure out what the timing marks are.
there is a small mark on the cam pully that must point strait down to the mark on the crank shaft timing pully. the mark on the crank pully is a bit hard to see but it is a low spot on the inside area. also lines up with the keyway grove in the pully.
SOURCE: how to set the timeing on 91 geo storm
The timing marks are located near the top of the crankshaft pulley on the plastic timing belt cover. There is a notch in the pulley to mark TDC (Top Dead Center)
Align the notch with the 0 mark on the plastic cover to set your base timing.
Ground the proper circuit on the ALDL connecter located under the dashboard somewhere under the steering wheel. Check the manual for the proper circuit to ground.
With the engine warm and the circuit grounded. Set the proper timing. Un-ground the circuit and you are done.
SOURCE: need to know how to set the timing gears for a geo
GM Storm/Spectrum 1985-1993 Repair Guide
Timing Belt - REMOVAL & INSTALLATION
Although
timing belts may last for thousands of miles past the recommended
replacement interval, they should be replaced every 60,000 miles to
prevent trouble or damage should they snap. Timing belts do not usually
give an indication that they are worn or aging without removing the
cover(s) and inspecting the belt. A worn or damaged belt could give out
at any time. In some cases, should a timing belt snap while the engine
is running, damage could be done to the valve trains or pistons
requiring a partial or full engine disassembly. Also, should the belt
go when the vehicle is far from home, a costly tow or even more costly
repair job and considerable inconvenience may be suffered.
Timing belts must always be handled carefully and kept completely
free of dirt, grease, fluids and lubricants. This includes any
accidental contact from spillage, fingerprints, rags, etc.. These same
precautions apply to the pulleys and contact surfaces on which the belt
rides.The belt must never be crimped, twisted or bent. Never use tools
to pry or wedge the belt into place. Such actions will damage the
structure of the belt and possibly cause breakage.
Spectrum
(see Figures 1, 2 and 3)
The engine must be removed from the vehicle for this procedure to be performed.
Inspect the timing belt for signs of cracking, abnormal wear and
hardening. Never expose the belt to oil, sunlight or heat. Avoid
excessive bending, twisting or stretching.
To install:
Once installed, there must be not slack in the timing belt. The belt teeth must be in perfect alignment with the gears.
Fig. 1: Timing belt routing - SOHC engines
Fig. 2: Align the crankshaft timing gear keyway with the mark in the oil pump - SOHC engines
Fig. 3: Check the timing belt tension at the center of the longest point between pulleys - SOHC engines
Storm - SOHC ENGINE
(see Figures 1, 2 and 3)
To install:
For DOCH Engine, can visit autozone.com (free register) for more details.
Hope helped with this (remember rated this help) Good luck.
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