Question about 2001 Jeep Grand Cherokee
01 jeep grand Cherokee limited 4.7 v 8 On the hydraulic secondary timing chain tensioners, is it a machined surface seal to the block, or do I use permatex gasket sealer, or is it supposed to have a paper thin gasket between the timing chain tensioner and the block? 2nd question. Is there supposed to be a screen between the tensioner and the block to keep the debris out of the timing chain tensioner? On the driver's side the timing chain tensioner has a plate with a small hole in it. Is it supposed to have a gasket on both sides of the plate or sealer? Or is it supposed to be a machined surface seal?
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Posted on Jan 02, 2017
You have 2 posibilities.there are 2 motors on the heater box that run the blend doors for each side.That side motor may be bad or worst case the blend door arm that connects to the motor is broken.If it is broken the whole dash has to be removed so the heater box can be taken out to replace the blend doors.Big job,do a heater core while your there if you fix it so you dont have to do it again.
Posted on Mar 09, 2009
I agree, these vehicles have a problem with the blend doors and since the accuators hit the door when it opens and closes, it breaks the doors. and it's a huge job to replace them.
Posted on Mar 12, 2009
SOURCE: 99 jeep grand cherokee limited
the vent doors that swing from hot side to cold side is broken. you are either going to have hot or cold till it is fixed. The good news is that once you get to it it's an easy fix. The bad news is getting to it. You are going to have to remove your entire dash. I brought mine to a shop. More work than I wanted to get into. Was about 500.00 in labor. So if you are handy you can save a chunk of change.
Posted on Apr 17, 2009
You have the blend doors problem which needs to be fixed. At jeep it is about £1300, by EDM in bicester it is £255 and maintains dual control. I would imagine the recirc dooe is or soon will go as well.
Posted on Oct 28, 2009
Pull the alternator brackets and front engine brackets off until you get to the water pump. You will also need to remove the fan shroud and then the fan. Remove the water pump and then you will see an aluminum cover and that will be your timing cover. remove the cover and clean all the gasket off the engine and the cover. use a razor blade, and make sure there in no oil or grease on the parts where the gasket lies. Put your gasket on, bolt the cover back on with the new gasket and repeat the teardown process in reverse.
Posted on Dec 06, 2009
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