GM LR4 injini
Zamkatimu
Injini ya 4.8-lita V8 GM LR4 idapangidwa ndi nkhawa yaku America kuyambira 1998 mpaka 2007 ndipo idayikidwa pa Chevrolet Tahoe SUV kumbuyo kwa GMT 800 ndi Yukon yofanana nayo. Galimoto iyi idayikidwanso pa ma pickups a Silverado ndi Sierra, komanso ma minibus a Express ndi Savana.
Mzere wa Vortec III umaphatikizaponso injini yoyaka mkati: LM7.
Makhalidwe aukadaulo a injini ya GM LR4 4.8 lita
| Voliyumu yeniyeni | Masentimita 4806 |
| Makina amagetsi | kugawa jekeseni |
| Mphamvu ya injini yoyaka mkati | 255 - 285 HP |
| Mphungu | 385 - 400 Nm |
| Cylinder chipika | chitsulo v8 |
| Dulani mutu | aluminiyamu 16 v |
| Cylinder m'mimba mwake | 96 мм |
| Kupweteka kwa pisitoni | 83 мм |
| Chiyerekezo cha kuponderezana | 9.4 |
| NKHANI kuyaka mkati injini | OHV |
| Hydraulic compensator | inde |
| Nthawi yoyendetsa | unyolo |
| Woyang'anira gawo | palibe |
| Kutembenuza | palibe |
| Ndi mafuta amtundu wanji oti utsanulire | 5.7 malita 5W-30 |
| Mtundu wamafuta | AI-92 |
| Gulu lazachilengedwe | EURO 2 |
| Zolemba zowerengera | 450 000 km |
Kugwiritsa ntchito mafuta Chevrolet LR4
Pogwiritsa ntchito chitsanzo cha 2003 Chevrolet Tahoe ndi kufala basi:
| Town | 17.7 lita |
| Tsata | 9.9 lita |
| Zosakanizidwa | 12.8 lita |
Magalimoto omwe anali ndi injini ya LR4 4.8 l
| Express 2 (GMT610) | 2003 - 2006 |
| Silverado 1 (GMT800) | 1998 - 2007 |
| Tahoe 2 (GMT820) | 1999 - 2006 |
| Savannah 2 (GMT610) | 2003 - 2006 |
| Saw 2 (GMT800) | 1998 - 2007 |
| Yukon 2 (GMT820) | 1999 - 2006 |
Kuipa, kuwonongeka ndi mavuto a injini kuyaka mkati LR4
Chinsinsi cha ntchito yopanda mavuto ya injini yoyaka mkati ndi ukhondo wa ma radiator ndi momwe mpope wamadzi ulili.
Zovala zapulasitiki zimaphulika chifukwa cha kutentha kwambiri, kutayikira kwa mafuta ndi antifreeze kumawonekera
Ndipo kugwiritsa ntchito mafuta otsika mtengo kumabweretsa kuvala mwachangu kwa camshaft liners.
Sitikulimbikitsani kukhazikitsa zida za gasi, mipando ya valve imangogwa
Zofooka za unit zimaphatikizaponso ma coil poyatsira, pampu yamafuta ndi adsorber
