How do you replace a heater core on a 1991 Chevy blazer Also does the fact that it has a 1995 4 point 3 vortec engine affect the placement of the core?
1.first thing to do is disconect the negative cable from the battery 2. drain all the coolant from your radiator 3.go inside the truck and in the passenger compartment look right underneat and you will see a black air duct, take it apart from take the face out and leave the back wall intact this is the side that mounts to the firewall 4 when you get to see the heather core go ahead and disconect the heater hose that comes right of it at the heater hose, put a rag down just in case any antifrezee leaks out of the hose or the heater itself am sure you don't want to mess up your carpet ,and if your new heater core comes with plastic caps to protect your new lines try to use those to plug the old core tubes to prevent it from dreeping more. 5. Once you gain access to it the four screws that are holding the heather core, and then remove the core by sliding it down towards you. The installation will be the same way just the revese steps 22.214.171.124.1. Also keep in mind that there are electrical wires running between the dash in both ways , so make sure that no wires get pinch, or cut , double check and make sure,wires pinch or cut like could cause you to loose your ( power locks, power windows, and or power mirrors controls) so is better to be safe than sorry . Don't forget to refill your radiator with antifreze after you are done with the heater core installation and conect your negative cable back to your battery. I hope this helps you, try to start early in the morning and with lots of sun light and patience you'll be done by mid-afternoon ! good luck!
What is the order for replacing the spark plugs on a 1993 Chevy Blazer with a 4.2 liter Vortex engine?
You take engine out. Remove the flywheel/flexplate and put the engine on an engine stand. Remove the oil pan, timing cover, and timing chain. Remove all rod and main bearing caps. Remove the crankshaft. NOTE: You would be much better off buying a new or used engine than attempting to replace a crankshaft.
If your talking about the Chevrolet K5 Blazer made from 1969-1994, the most powerful engine was the 350 ci Small-Block V8 engine that puts out 255 hp and was available from 1969-1970. If your talking about the Chevrolet S-10 Blazer and the Chevrolet Blazer made from 1983-2005, the most powerful engine is the 4.3L Vortec 4300 L35 CPFI V6 engine that puts out 200 hp and was available from 1992-1994.
It depends on where you get it. You can often get an engine for anywhere from $1,000.00 U.S. to $2,000.000 U.S. or as little as $500.00 if you buy a used engine at a wrecking yard, plus labor to replace and peripherals such as water pump, thermostat, hoses, plugs, wires, oil filter and anything else that you might want to replace at the time. However, a replacement engine gives you a vehicle that will be…
On a 1995 S-10 blazer 4.3 w engine do you have to replace the timing cover when you replace the timing chain and gears?
What is wrong with a 1999 ZR2 Blazer when the speedometer skips and the service engine light comes on and off on long trips?
The crank sensor on a 4.3 Blazer is located at the front of the engine, under the crank shaft pulley. To replace it, remove the wire plug and the 8mm bolt holding it to the timing cover. Clean the area up before installing the new sensor, lubricate the )-ring on the new sensor with motor oli before installing it. Snug up the bolt and replace the wire connector.